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-[2-[[[2-(6,7-dimethyl-1-benzofuran-3-yl)acetyl]amino]carbamoyl]phenyl]thiophene-2-sulfonamide is given. What is its corresponding molecular formula?
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C23H21N3O5S2
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