You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[[2-(3-chloro-N-(4-methylphenyl)sulfonylanilino)acetyl]-[(3-methoxyphenyl)methyl]amino]-N-methyl-3-phenylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H34ClN3O5S
assistant