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 2-[4-[4-(6-methylpyridin-2-yl)-2,5-diazatricyclo[5.2.1.02,6]deca-3,5-dien-3-yl]pyridin-2-yl]oxyethanol ?
user
C21H22N4O2
assistant