You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named tert-butyl 2-[(9S)-7-[4-[2-chloro-4-[[4-[(3-cyano-4-methyl-1H-indol-7-yl)sulfamoyl]phenyl]methylcarbamoyl]phenyl]phenyl]-4,5,13-trimethyl-3-thia-1,8,11,12-tetrazatricyclo[8.3.0.02,6]trideca-2(6),4,7,12-tetraen-9-yl]acetate by IUPAC nomenclature, provide its molecular formula.
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C47H45ClN8O5S2
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