You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[4-[(S)-[2-(4-chlorophenyl)phenyl]-hydroxymethyl]piperidin-1-yl]-N-[4-[[(2S)-4-[4-(2-hydroxyethyl)piperazin-1-yl]-1-phenylsulfanylbutan-2-yl]amino]-3-(trifluoromethylsulfonyl)phenyl]sulfonylbenzamide by IUPAC nomenclature, provide its molecular formula.
user
C48H53ClF3N5O7S3
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