You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (2S)-N-[(2S)-butan-2-yl]-2-[(3,4-dichlorophenyl)methyl-[2-[N-methylsulfonyl-3-(trifluoromethyl)anilino]acetyl]amino]butanamide ?
user
C25H30Cl2F3N3O4S
assistant