You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a organic electroluminescent device and belongs to the electroluminescent class of molecules.
user
c1ccc(-c2cc(-c3ccc4ccccc4c3)cc(-c3cccc(-n4c5ccccc5c5ncccc54)c3)n2)nc1
assistant