You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[4-(1,3-dimethylpyrazol-4-yl)-1-methylpyrrolidin-3-yl]-2,2-dimethyl-3-(3-methylpyridin-2-yl)oxypropanamide .
user
C21H31N5O2
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