You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[[2-[N-(benzenesulfonyl)-3-chloroanilino]acetyl]-[(4-fluorophenyl)methyl]amino]-N-ethyl-3-phenylpropanamide into molecular formula.
user
C32H31ClFN3O4S
assistant