You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-(4-cyclohexa-1,3-dien-1-ylcyclohexa-1,3-dien-1-yl)-6-N-naphthalen-1-yl-2-N-naphthalen-2-yl-2-N,6-N-diphenyl-10-(4-phenylphenyl)anthracene-2,6-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C70H52N2
assistant