You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2S)-2-[[2-[N-(benzenesulfonyl)-2-ethoxyanilino]acetyl]-[(3-methylphenyl)methyl]amino]-N-[(2S)-butan-2-yl]propanamide into its molecular formula.
user
C31H39N3O5S
assistant