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        <link:definition>9954503 - Disclosure - Subsequent Event (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
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  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsPeriodAfterFirstCommercialSale" abstract="false" name="CollaborativeArrangementRightsAndObligationsPeriodAfterFirstCommercialSale" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cnta_SaleOfStockMaximumConsiderationReceivable" abstract="false" name="SaleOfStockMaximumConsiderationReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_PrepaidResearchAndDevelopmentCosts" abstract="false" name="PrepaidResearchAndDevelopmentCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_SubleaseAgreementTerm" abstract="false" name="SubleaseAgreementTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cnta_NotePurchaseAgreementAmountAvailableForFundingAtTheOptionOfTheCompanyAndTheCounterparty" abstract="false" name="NotePurchaseAgreementAmountAvailableForFundingAtTheOptionOfTheCompanyAndTheCounterparty" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_NotePurchaseAgreementMember" abstract="true" name="NotePurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardMultiplierForInitialNumberOfSharesReserved" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMultiplierForInitialNumberOfSharesReserved" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cnta_NotePurchaseAgreementValue" abstract="false" name="NotePurchaseAgreementValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CashAndCashEquivalentsAtCarryingValueSufficientFundingTerm" abstract="false" name="CashAndCashEquivalentsAtCarryingValueSufficientFundingTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cnta_AccruedResearchAndDevelopmentExpenseCurrent" abstract="false" name="AccruedResearchAndDevelopmentExpenseCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cnta_AtTheMarketMember" abstract="true" name="AtTheMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cnta_NotePurchaseAgreementPercentOfAggregateOutstandingPrincipalAmountCashBalanceRequired" abstract="false" name="NotePurchaseAgreementPercentOfAggregateOutstandingPrincipalAmountCashBalanceRequired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentAndRegulatoryMilestonePayments" abstract="false" name="CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentAndRegulatoryMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DebtInstrumentReferenceRate" abstract="false" name="DebtInstrumentReferenceRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="cnta_CashAndCashEquivalentsAndShortTermInvestments" abstract="false" name="CashAndCashEquivalentsAndShortTermInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_SecondPurchaseNoteMember" abstract="true" name="SecondPurchaseNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cnta_CumulativePaymentsUnderNotePurchaseAgreementIncludingInterest" abstract="false" name="CumulativePaymentsUnderNotePurchaseAgreementIncludingInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_NumberOfSquareFeetToSublease" abstract="false" name="NumberOfSquareFeetToSublease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="cnta_NotePurchaseAgreementDeductibleAmountDueToCompany" abstract="false" name="NotePurchaseAgreementDeductibleAmountDueToCompany" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_TaxIncentiveReceivableCurrent" abstract="false" name="TaxIncentiveReceivableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_IncreaseDecreaseInTaxIncentiveReceivables" abstract="false" name="IncreaseDecreaseInTaxIncentiveReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfAdditionalSharesAuthorizedEachYear" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfAdditionalSharesAuthorizedEachYear" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cnta_NotePurchaseAgreementMilestonePaymentPercentOfAggregatePrincipalAmountIssued" abstract="false" name="NotePurchaseAgreementMilestonePaymentPercentOfAggregatePrincipalAmountIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
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  <xs:element id="cnta_MilestonePaymentPeriod" abstract="false" name="MilestonePaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cnta_OberlandCapitalManagementLLCMember" abstract="true" name="OberlandCapitalManagementLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cnta_PurchaseObligationToBePaidYearOneThroughFive" abstract="false" name="PurchaseObligationToBePaidYearOneThroughFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="cnta_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="cnta_FinancialInstrumentsGainLossFromChangeInFairValue" abstract="false" name="FinancialInstrumentsGainLossFromChangeInFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="cnta_A2021PlanMember" abstract="true" name="A2021PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cnta_LesseeOperatingLeaseNumberOfOptionsToExtend" abstract="false" name="LesseeOperatingLeaseNumberOfOptionsToExtend" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_SaleOfStockNumberOfSharesIssuedPerOrdinaryShare" abstract="false" name="SaleOfStockNumberOfSharesIssuedPerOrdinaryShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentMilestonePayments" abstract="false" name="CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsPeriodAfterContractualAgreementEnds" abstract="false" name="CollaborativeArrangementRightsAndObligationsPeriodAfterContractualAgreementEnds" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cnta_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsAggregateIntrinsicValueVested" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsAggregateIntrinsicValueVested" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsMaximumAggregateCommercialMilestonePayments" abstract="false" name="CollaborativeArrangementRightsAndObligationsMaximumAggregateCommercialMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
