You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[1-[1-[1-(8H-cinnolin-2-yl)-5,6,7,8-tetrahydrocinnolin-2-yl]-7,8-dihydrocinnolin-2-yl]-5,6-dihydrocinnolin-2-yl]-5H-cinnoline into its molecular formula.
user
C40H40N10
assistant