You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[(1R)-1-(3-chloropyridin-2-yl)ethyl]-4,5-dimethyl-6-[2-(1H-pyrazol-4-yl)ethylamino]pyrimidine-2-carboxamide into molecular formula.
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C19H22ClN7O
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