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Translate the chemical IUPAC name 2-[(15S)-18-chloro-9-oxo-8,17,19-triazatricyclo[14.2.1.02,7]nonadeca-1(18),2,4,6,16(19)-pentaen-15-yl]-3-[5-chloro-2-(tetrazol-1-yl)phenyl]prop-2-enamide into its molecular formula.
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C26H24Cl2N8O2
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