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What is the molecular formula of the molecule identified by (1R,11R,12S,16S)-14-(4-chlorophenyl)-13,15-dioxo-10,14-diazatetracyclo[8.6.0.02,7.012,16]hexadeca-2,4,6,8-tetraene-11-carboxamide ?
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C21H16ClN3O3
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