You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[6-carbazol-9-yl-4-(3,4-dihydrocarbazol-9-yl)-1,2-dihydropyrimidin-2-yl]-12-(4,6-dinaphthalen-2-ylpyrimidin-2-yl)indolo[3,2-c]carbazole into its molecular formula.
user
C70H46N8
assistant