You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is organic light-emitting.
user
c1ccc2cc(-c3nc(-c4ccc(-c5cccc6ccccc56)cc4)nc(-c4cc5ccc6ccccc6c5c5oc6cc7ccccc7cc6c45)n3)ccc2c1
assistant