You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[4-methyl-3-[2-methyl-5-(9-phenyl-1,2-dihydrocarbazol-3-yl)cyclohexa-1,5-dien-1-yl]phenyl]-9-phenylcarbazole;toluene .
user
C57H48N2
assistant