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): It belongs to the organic light-emitting device class of molecules.
user
c1ccc(-c2ccc(-c3ccc4oc5cccc(-c6nc(-c7ccccc7)nc(-c7ccc(-c8cccc(-c9ccccc9)c8)cc7)n6)c5c4c3)cc2)cc1
assistant