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 N,N-dimethylethanamine;ethane;21-methyl-21-azapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-1(14),2,4,6,8,10,12,15,17,19-decaene;11-methylbenzo[a]carbazole;5-methylbenzo[b]carbazole;7-methylbenzo[c]carbazole .
user
C96H122N8
assistant