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system
Name the molecular formula for the molecule established as 1-oxido-N-[[1-[[4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3-yl]phenyl]carbamoyl]piperidin-2-yl]methyl]pyridin-1-ium-4-carboxamide using the IUPAC nomenclature.
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C22H21F3N6O4
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