You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 5-(4-carbazol-9-ylphenyl)-7-phenylindolo[2,3-b]carbazole;11-phenyl-12-(4-phenylnaphthalen-2-yl)indolo[2,3-a]carbazole;7-phenyl-5-(4-phenylnaphthalen-2-yl)indolo[2,3-b]carbazole .
user
C122H79N7
assistant