You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(12Z)-5-[(2-methyl-3,4-dihydro-1H-isoquinolin-7-yl)amino]-17-oxa-2,4,6,10,22-pentazatricyclo[16.3.1.03,8]docosa-1(22),3,5,7,12,18,20-heptaen-9-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H29N7O2
assistant