You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-naphthalen-1-yl-N-(4-naphthalen-1-ylphenyl)-N-[4-[3-phenyl-5-(9-phenylfluoren-9-yl)phenyl]phenyl]aniline ?
user
C69H47N
assistant