You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3S)-19-chloro-N-(1-cyanocyclopropyl)-9-methyl-5-oxo-17-oxa-12-thia-4,10-diazatricyclo[16.2.2.06,11]docosa-1(20),6(11),7,9,14,18,21-heptaene-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C24H23ClN4O3S
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