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system
Name the molecular formula for the molecule established as (5E)-3-heptyl-5-[[2-(2-methylpropylamino)-4-oxopyrido[1,2-a]pyrimidin-3-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one using the IUPAC nomenclature.
user
C23H30N4O2S2
assistant