You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9,9-dimethyl-N-(4-phenylphenyl)-N-[4-[4-(4-phenyl-N-(4-phenylphenyl)anilino)phenyl]phenyl]fluoren-3-amine;ethane;(3E)-3-ethylidene-1,1-dimethyl-2-methylideneindene;(2Z,4Z)-hepta-2,4-diene is the IUPAC name of a molecule. Please give its molecular formula.
user
C88H88N2
assistant