You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-N-dibenzofuran-2-yl-3-N-(4-dibenzothiophen-3-ylphenyl)-1-N,1-N,8-N,8-N-tetraphenyldibenzothiophene-1,3,8-triamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C66H43N3OS2
assistant