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 6-[1-(1H-imidazol-2-ylmethyl)pyrrolidin-2-yl]-N-(5-methylpyridin-2-yl)pyridine-2-carboxamide .
user
C20H22N6O
assistant