You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [4-(5-benzyl-6-ethyl-2-methylpyrimidin-4-yl)-1,4-diazepan-1-yl]-(4-methoxyphenyl)methanone .
user
C27H32N4O2
assistant