You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2'-anthracen-9-yl-7'-[(4aE,7Z,9Z,12Z)-1,2,6,11-tetrahydrobenzo[10]annulen-5-yl]-10-(3-methylphenyl)spiro[acridine-9,9'-fluorene] is the IUPAC name of a molecule. Please give its molecular formula.
user
C60H45N
assistant