You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1-adamantylmethyl)-7-[(3,5-dimethoxyphenyl)methyl]-6,8-dihydro-5H-pyrido[3,4-d]pyrimidin-4-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H36N4O2
assistant