You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule propan-2-yl 2-[(5-bromo-2-propan-2-yloxyphenyl)methylidene]-5-(2-chlorophenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate into molecular formula.
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C27H26BrClN2O4S
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