You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-N-[[4-(12,12-dimethyl-2,10-diphenylindeno[1,2-c]carbazol-5-yl)phenyl]methyl]-2-N-phenylbenzene-1,2-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C52H41N3
assistant