You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[2-(3-bromo-N-methylsulfonylanilino)acetyl]-[(4-chlorophenyl)methyl]amino]-N-butan-2-ylpropanamide into its molecular formula.
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C23H29BrClN3O4S
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