You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
10-[7-(4,6-diphenyl-1,3,5-triazin-2-yl)dibenzofuran-4-yl]-7-phenyl-[1]benzothiolo[2,3-b]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C51H30N4OS
assistant