You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-methyl-2,4-dioxo-N-[(3R)-1-pyridin-2-ylpiperidin-3-yl]-1H-pyrimidine-6-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H19N5O3
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