You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R)-N-[(4,6-dimethyl-2-oxo-1H-pyridin-3-yl)methyl]-2-methyl-3-phenylmethoxypropanamide into molecular formula.
user
C19H24N2O3
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