You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[1-[4-dibenzothiophen-4-yl-6-(9-phenyl-5,6-dihydrocarbazol-1-yl)-1,3,5-triazin-2-yl]-1,2,5a,6,7,9a-hexahydrodibenzofuran-4-yl]benzo[b]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C61H43N5OS
assistant