You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 4-([1]benzothiolo[3,2-c]carbazol-5-yl)-3-carbazol-9-ylbenzene-1,2-dicarbonitrile;5-carbazol-9-yl-4-isocyano-2-(2-phenyl-[1]benzofuro[3,2-c]carbazol-5-yl)benzonitrile;3-carbazol-9-yl-4-(2-phenyl-[1]benzofuro[3,2-c]carbazol-5-yl)benzene-1,2-dicarbonitrile .
user
C126H68N12O2S
assistant