You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 10-[2-(4-isocyanopyridin-2-yl)phenyl]-9,9-diphenylacridine;10-[2-(4-isocyanopyridin-2-yl)phenyl]phenoxazine;10-[2-(4-isocyanopyridin-2-yl)phenyl]spiro[acridine-9,9'-xanthene];2-[2-(5-phenylindolo[3,2-b]carbazol-11-yl)phenyl]pyridine-4-carbonitrile ?
user
C134H85N13O2
assistant