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 7-[3-(2,5-dimethylpyrrolidin-1-yl)piperidin-1-yl]-5-ethyl-[1,2,4]triazolo[1,5-a]pyrimidine .
user
C18H28N6
assistant