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 4,6-dimethyl-3-[[(5-propyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino]methyl]-1H-pyridin-2-one .
user
C16H20N6O
assistant