You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-N-[(2S)-butan-2-yl]-2-[[2-(3,5-dichloro-N-(4-methylphenyl)sulfonylanilino)acetyl]-(2-phenylethyl)amino]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H35Cl2N3O4S
assistant