You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[[2-(2,4-dimethyl-N-methylsulfonylanilino)acetyl]-[(2-methylphenyl)methyl]amino]-N-propan-2-ylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H35N3O4S
assistant