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 both the electroluminescent and high luminous efficiency classes of molecules.
user
c1ccc(C2=NC(c3ccc(-n4c5ccccc5c5c6ccccc6c6c7ccccc7n(-c7ccccc7)c6c54)cc3)Nc3ccccc32)cc1
assistant