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For the molecule named ethyl (2E,5R)-2-[[4-bromo-5-(4-methylpyrimidin-2-yl)sulfanylfuran-2-yl]methylidene]-5-(3-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C27H23BrN4O5S2
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