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 member of the phosphorescent emitter, phosphorescent, and organic electroluminescent device classes and is electroluminescent.
user
c1ccc(-c2nc(-n3c4ccccc4c4cc(-c5ccc6c7c5cccc7c5cccc7oc8ccccc8n6-c75)ccc43)nc3ccccc23)cc1
assistant