You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 3-(3,4-dimethylphenyl)-6,9-diphenylcarbazole;3-ethenyl-5-isocyano-2-methyl-1-phenylindole;4-[4-[3-[9-[4-(4-isocyanophenyl)phenyl]carbazol-3-yl]carbazol-9-yl]phenyl]benzonitrile;3-[3-(4-isocyanophenyl)-5-(9-phenylcarbazol-3-yl)phenyl]-9-phenylcarbazole;8-[3-(9-phenylcarbazol-3-yl)carbazol-9-yl]dibenzothiophene-2-carbonitrile;3-(9-phenylcarbazol-3-yl)-5-[3-(9-phenylcarbazol-3-yl)phenyl]benzonitrile is given. What is its corresponding molecular formula?
user
C241H156N16S
assistant