You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The organic electroluminescent element molecule is electroluminescent and has an effect on improved luminous efficiency.
user
FC(F)(F)c1ccccc1-n1c2ccccc2c2c3c(ccc21)c1c(nc(-c2ccccc2)n1-c1ccccc1)n3C1=CCCC=C1
assistant