You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N,2-dimethyl-3-(5-methyl-3-nitropyrazol-1-yl)-N-[(2-methylpyrazol-3-yl)methyl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H20N6O3
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