You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4-bromophenyl)-[4-(6-methyl-2-morpholin-4-ylpyrimidin-4-yl)piperazin-1-yl]methanone into its molecular formula.
user
C20H24BrN5O2
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