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system
Name the molecular formula for the molecule established as ethyl (2Z,5S)-2-[[4-bromo-5-[(4-methyl-6-oxo-1H-pyrimidin-2-yl)sulfanyl]furan-2-yl]methylidene]-5-(2,5-dimethoxyphenyl)-3-oxo-7-propyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate using the IUPAC nomenclature.
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C30H29BrN4O7S2
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