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system
Name the molecular formula for the molecule established as 2,2-dichloro-N-[(1R,2S)-3-fluoro-1-hydroxy-1-[4-(1-oxidopyridin-1-ium-4-yl)phenyl]propan-2-yl]acetamide using the IUPAC nomenclature.
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C16H15Cl2FN2O3
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