You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a phosphorescent and is optoelectronic.
user
c1ccc(-c2ccc(-n3c4ccccc4c4c5c6ccccc6n(-c6ccc7c(-c8ccccc8)cccc7c6)c5ccc43)cc2)cc1
assistant