You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-(5-bromo-3-cyanopyridin-2-yl)-1-[2-(trifluoromethyl)phenyl]methanesulfonamide by IUPAC nomenclature, provide its molecular formula.
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C14H9BrF3N3O2S
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