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 organic light-emitting device.
user
N#Cc1ccc2c3ccccc3n(-c3ccc(-c4cccc(-c5ccccc5-n5c6ccccc6c6ccccc65)c4)cc3C#N)c2c1
assistant