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system
Name the molecular formula for the molecule established as (5E)-5-[[2-(2-fluorophenoxy)-9-methyl-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-3-hexyl-2-sulfanylidene-1,3-thiazolidin-4-one using the IUPAC nomenclature.
user
C25H24FN3O3S2
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