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 9-(2-methylcyclopenta-1,3-dien-1-yl)-9-(5-methylcyclopenta-1,3-dien-1-yl)-1,4-dihydrocyclopenta[b]quinoline using the IUPAC nomenclature.
user
C24H23N
assistant