You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a organic light-emitting device.
user
C1=CC2=C(C3=CC(c4ccnc5ccccc45)=CC(c4ccc5ccc(-c6ccc7ccc(-c8cccc(-c9cccnc9)c8)nc7c6)nc5c4)C3)C=CNC2C=C1
assistant