You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-(5-methoxy-8,9-dimethyl-14-azatetracyclo[8.6.1.02,7.014,17]heptadeca-2(7),3,5,11-tetraen-1-yl)-N-methylmethanamine .
user
C21H30N2O
assistant