You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules.
user
Fc1ccc(-c2ccc(CCc3cc(Cl)cc(CCc4ccc(-c5ccc(F)cc5)nc4)c3)cn2)cc1
assistant