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For the molecule named N-[4-[4-[[2-(aminomethylideneamino)pyridin-4-yl]methyl]-3-fluoroanilino]quinazolin-6-yl]-5-iodophosphanyloxypent-2-ynamide by IUPAC nomenclature, provide its molecular formula.
user
C26H22FIN7O2P
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