You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[3-[2-([1]benzothiolo[3,2-c]carbazol-5-yl)-5-(2,6-diphenylpyrimidin-4-yl)phenyl]phenyl]-[1]benzothiolo[3,2-c]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C64H38N4S2
assistant