You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-[2-(3,4-dihydro-1H-isoquinolin-2-yl)ethyl]-2-[4-(dimethylamino)phenyl]quinazolin-4-one using the IUPAC nomenclature.
user
C27H28N4O
assistant