You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R)-N-[(2S)-butan-2-yl]-2-[(2-chlorophenyl)methyl-[2-(3,4-dichloro-N-(4-methylphenyl)sulfonylanilino)acetyl]amino]butanamide into its molecular formula.
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C30H34Cl3N3O4S
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