You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a organic electroluminescent compound and belongs to both the electroluminescent and high luminous efficiency classes of molecules. Please represent the molecule in SMILES.
user
c1ccc(-c2ccc(-c3cc(-c4ccc(-c5ccc6ccccc6c5)cc4)nc(-c4ccco4)n3)cc2)cc1
assistant