You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a organic light-emitting device and is organic light-emitting.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3ccc4oc5c(-c6ccccn6)cc(-c6ccccn6)cc5c4c3)n2)cc1
assistant