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 organic light-emitting device.
user
c1ccc(-c2nc(-c3cccc(-c4cccc5c(-c6ccccc6)nc6ccccc6c45)c3)nc3ccccc23)cc1
assistant