You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-N,8-N-bis[4-(2H-benzimidazol-2-yl)phenyl]-2-N,8-N-bis(4-phenylphenyl)dibenzothiophene-2,8-diamine by IUPAC nomenclature, provide its molecular formula.
user
C62H42N6S
assistant