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 3-O-ethyl 6-O-methyl 2-[[4-[methyl(phenyl)sulfamoyl]benzoyl]amino]-5,7-dihydro-4H-thieno[2,3-c]pyridine-3,6-dicarboxylate is given. What is its corresponding molecular formula?
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C26H27N3O7S2
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