You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2S)-2-[benzyl-[2-(3-bromo-N-methylsulfonylanilino)acetyl]amino]-N-[(2S)-butan-2-yl]propanamide is given. What is its corresponding molecular formula?
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C23H30BrN3O4S
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