You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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4-[4,5-difluoro-2-(2-fluoropyridin-3-yl)pyrazol-3-yl]-2,5-difluorobenzenesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
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C14H7F5N4O2S
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