You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-[[1-(3,5-dimethyl-1H-pyrazole-4-carbonyl)piperidin-4-yl]methyl]-4-(2-methylphenyl)-1H-1,2,4-triazol-5-one ?
user
C21H26N6O2
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