You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a electroluminescent device, organic light-emitting device, and electroluminescent compound.
user
c1ccc(-c2cccc(-c3nc(-n4c5ccccc5c5c6oc7cc(-c8cccc9c8oc8ccccc89)c8ccccc8c7c6ccc54)nc4ccccc34)c2)cc1
assistant