You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[2-(9H-fluoren-1-yl)phenyl]-9H-fluorene;1-[2-(9H-fluoren-3-yl)phenyl]-9H-fluorene;3-[2-(9H-fluoren-3-yl)phenyl]-9H-fluorene .
user
C96H66
assistant