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 N-[(4-chlorophenyl)methyl]-4-(4-methyl-N-methylsulfonylanilino)-N-[1-oxo-3-phenyl-1-(propan-2-ylamino)propan-2-yl]butanamide is given. What is its corresponding molecular formula?
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C31H38ClN3O4S
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