You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(1R)-1-[1-ethyl-6-(trifluoromethyl)benzimidazol-2-yl]ethyl]-1-oxidopyridin-1-ium-3-sulfonamide into molecular formula.
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C17H17F3N4O3S
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