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 9-(5-methyl-1H-pyrazole-3-carbonyl)-2-(1-methylpyrrolidin-3-yl)-2,9-diazaspiro[5.5]undecan-3-one .
user
C19H29N5O2
assistant