You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[(4-fluorophenyl)methyl-[4-[N-methylsulfonyl-3-(trifluoromethyl)anilino]butanoyl]amino]-N-(2-methylpropyl)butanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H35F4N3O4S
assistant