You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-iodo-3-[9-[3-[[10-(4-methylphenyl)phenanthren-4-yl]methyl]phenyl]phenanthren-4-yl]phenyl]-6-[3-(4-phenylphenyl)phenyl]dibenzothiophene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C78H51IS
assistant