You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[benzyl-[2-(3-chloro-N-(4-chlorophenyl)sulfonylanilino)acetyl]amino]-N-cyclopentylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H31Cl2N3O4S
assistant