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 [4-[(2-methyl-5,6,7,8-tetrahydroquinazolin-4-yl)oxy]phenyl]-pyrrolidin-1-ylmethanone using the IUPAC nomenclature.
user
C20H23N3O2
assistant