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 1-(6-oxo-1-propylpyridazin-4-yl)-N-[1-(1,3,5-trimethylpyrazol-4-yl)ethyl]piperidine-4-carboxamide ?
user
C21H32N6O2
assistant