You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[2-[6-[(Z)-1-amino-3-iminoprop-1-enyl]-8-methylquinazolin-4-yl]-3,4-dihydro-1H-isoquinolin-7-yl]formamide by IUPAC nomenclature, provide its molecular formula.
user
C22H22N6O
assistant