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system
Name the molecular formula for the molecule established as 1-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-(4-fluoroanilino)-2-pyridin-1-ium-1-yl-3-sulfanylideneprop-1-en-1-olate using the IUPAC nomenclature.
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C22H17FN2O3S
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