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-methyl-2-[4-[methyl-(4-methylphenyl)sulfonylamino]phenoxy]-N-[(2-methylphenyl)methyl]acetamide is given. What is its corresponding molecular formula?
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C25H28N2O4S
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