You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
10-[4-(2,5-diphenylphenyl)-2-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-9,9-dimethylacridine is the IUPAC name of a molecule. Please give its molecular formula.
user
C54H40N4
assistant