You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2,2,2-trichloro-N-(2,4-dihydroxy-2,3-dihydrothiophen-3-yl)-N-(4-methylphenyl)acetamide by IUPAC nomenclature, provide its molecular formula.
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C13H12Cl3NO3S
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