You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[benzenesulfonyl(methyl)amino]-N-[(3-bromophenyl)methyl]-N-[(2R)-1-(2-methylpropylamino)-1-oxo-3-phenylpropan-2-yl]butanamide into molecular formula.
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C31H38BrN3O4S
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