You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the electroluminescent, high luminous efficiency, and organic electroluminescent device classes of molecules.
user
c1ccc(-n2c3cc(-c4nc(-n5c6ccccc6c6c7ccccc7ccc65)nc5ccccc45)c4ccccc4c3c3ccc4ccccc4c32)cc1
assistant