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Name the molecular formula for the molecule established as 4-[N-(2,2-difluoroethyl)-2-fluoro-3-(3-hydroxy-3-methylbut-1-ynyl)anilino]-5-fluoro-1-(trideuteriomethyl)quinazolin-2-one using the IUPAC nomenclature.
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C22H19F4N3O2
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