You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[10-(9,9-dimethylfluoren-1-yl)-8-(10-methyl-9,9-diphenylacridin-1-yl)anthracen-1-yl]-10-methyl-9,9-diphenylacridine by IUPAC nomenclature, provide its molecular formula.
user
C81H60N2
assistant