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: The molecule is a electroluminescent member of the organic electroluminescent device class.
user
c1ccc(-c2cc(-c3cccc(-c4ccc(-c5cc6c(c7ccccc7n6-c6ccccc6)c6c5c5ccccc5n6-c5ccccc5)cc4)n3)cc(-c3ccccc3)n2)cc1
assistant