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]-[(2,6-dichlorophenyl)methyl]amino]-3-phenyl-N-propan-2-ylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H34Cl3N3O4S
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