You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[9-[4-dibenzothiophen-4-yl-2-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]carbazol-3-yl]-5-isocyanobenzonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C53H30N6S
assistant