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 organic light-emitting device.
user
c1ccc(-c2ccc(-c3cccc4c(C5=Nc6ccccc6C(c6cccc7c(-c8ccc(-c9ccccc9)cc8)cccc67)=Nc6ccccc65)cccc34)cc2)cc1
assistant