You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[4-[3-(7,7-dimethylbenzo[c]fluoren-5-yl)-5-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]phenyl]-N-ethenylprop-2-en-1-imine into its molecular formula.
user
C51H38N4
assistant