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-(5-piperidin-1-ylsulfonylthiophen-2-yl)-N-(thiophen-2-ylmethyl)acetamide is given. What is its corresponding molecular formula?
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C17H22N2O3S3
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