You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[3-[2,4-bis([1]benzofuro[3,2-c]carbazol-5-yl)phenyl]phenyl]benzene-1,3-dicarbonitrile;5-[4-(7H-indeno[2,1-b]carbazol-5-yl)-2-(12-phenylindolo[3,2-c]carbazol-5-yl)phenyl]-2-phenylbenzene-1,3-dicarbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C119H67N9O2
assistant