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 is electroluminescent. Please represent the molecule in SMILES.
user
c1ccc(-c2cc(-c3ccccc3-c3cccnc3)nc(-c3ccc4ccc5cccc6ccc3c4c56)n2)cc1
assistant