You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name ethyl (3R)-3-(2-bromo-4-fluorophenyl)-6-(dimethylamino)-1-(1,3-thiazol-2-yl)-3,5,6,7-tetrahydropyrrolo[1,2-c]pyrimidine-4-carboxylate into its molecular formula.
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C21H22BrFN4O2S
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