You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a organic electroluminescent compound and belongs to the electroluminescent class of molecules.
user
c1ccc(-c2cc(-c3ccccc3-c3ccncc3)nc(-c3ccc4ccc5cccc6ccc3c4c56)n2)cc1
assistant