You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 4-methoxy-N-(oxolan-2-ylmethyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-2-amine ?
user
C13H20N4O2
assistant