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-methyl-N-[1-(5-methyl-2-phenylpyrazol-3-yl)propan-2-yl]-6-oxo-1H-pyrimidine-5-carboxamide into its molecular formula.
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C19H21N5O2
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