You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2R)-N-[(2S)-butan-2-yl]-2-[(4-chlorophenyl)methyl-[2-(3-fluoro-N-methylsulfonylanilino)acetyl]amino]butanamide .
user
C24H31ClFN3O4S
assistant