You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [3-(5-chloro-6-methylpyridin-2-yl)phenyl]-[3-(dimethylamino)-4-hydroxypyrrolidin-1-yl]methanone into molecular formula.
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C19H22ClN3O2
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