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'-(2,4-difluorophenyl)-N-[(1-thiophen-2-ylsulfonylpyrrolidin-2-yl)methyl]oxamide is given. What is its corresponding molecular formula?
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C17H17F2N3O4S2
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