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 methyl 5-[(4-methoxyphenyl)sulfonyl-(4-nitrobenzoyl)amino]-2-methyl-1-benzofuran-3-carboxylate is given. What is its corresponding molecular formula?
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C25H20N2O9S
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