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 element and belongs to the electroluminescent class of molecules.
user
Cc1ccc(-c2ccc(-c3c4ccccc4c(-c4ccc(-c5ccccn5)cc4)c4ccccc34)cc2)cn1
assistant