You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methyl-N-[2-[[(1S)-1-phenylethyl]carbamoyl]phenyl]-5-pyrrolidin-1-ylsulfonylbenzamide by IUPAC nomenclature, provide its molecular formula.
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C27H29N3O4S
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