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Convert the IUPAC name of a molecule ethyl (2Z,5S)-2-[[1-(4-bromophenyl)-2,5-diphenylpyrrol-3-yl]methylidene]-3-oxo-5,7-diphenyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate into molecular formula.
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C44H32BrN3O3S
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