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 dimethyl-[[4-[[3-(3-methyl-4-oxoquinazolin-2-yl)propanoylamino]methyl]phenyl]methyl]azanium using the IUPAC nomenclature.
user
C22H27N4O2+
assistant