You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2,8-dichloro-5,11-bis(4-chlorophenyl)-6,12-diphenyltetracene;5,11-diphenyl-6,12-bis(4-phenylphenyl)tetracene;5,6,11,12-tetraphenyltetracene by IUPAC nomenclature, provide its molecular formula.
user
C138H88Cl4
assistant