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What is the molecular formula of the molecule (4-chlorophenyl)methyl 3-[(15R,19S)-1,8-dichloro-16,18-dioxo-17-azapentacyclo[6.6.5.02,7.09,14.015,19]nonadeca-2,4,6,9,11,13-hexaen-17-yl]benzoate ?
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C32H20Cl3NO4
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