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 4,8-dimethyl-2-[[1-(2-methyloxolane-2-carbonyl)azetidin-3-yl]amino]-7-propan-2-yl-5,7-dihydropteridin-6-one ?
user
C20H30N6O3
assistant