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 (2-bromo-5-methoxyphenyl)-[4-[6-(ethylamino)-2-methylpyrimidin-4-yl]piperazin-1-yl]methanone into its molecular formula.
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C19H24BrN5O2
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