You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2,6-difluoro-N-[2-(2-methylphenyl)-5-thiophen-2-ylpyrazol-3-yl]benzenesulfonamide by IUPAC nomenclature, provide its molecular formula.
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C20H15F2N3O2S2
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