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 4-[(3R)-3-methyl-4-(1-methyl-6-oxo-4-pyridin-4-ylpyrimidin-2-yl)piperazin-1-yl]benzonitrile into its molecular formula.
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C22H22N6O
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