You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[[2-[N-(benzenesulfonyl)-4-iodoanilino]acetyl]-[(3,4-dichlorophenyl)methyl]amino]-3-phenyl-N-propan-2-ylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H32Cl2IN3O4S
assistant