You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 9-[3-[3-(3-isocyanophenyl)phenyl]phenyl]-9-phenylxanthene;3-phenyl-6-[3-[3-(9-phenylxanthen-9-yl)phenyl]phenyl]pyridazine;4-phenyl-2-[3-[3-(9-phenylxanthen-9-yl)phenyl]phenyl]quinazoline;2-[3-[3-(9-phenylxanthen-9-yl)phenyl]phenyl]-1,10-phenanthroline into its molecular formula.
user
C167H111N7O4
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