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 member of the light-emitting class.
user
c1ccc(-c2cc(-c3cccc4c3-c3ccccc3C43c4ccccc4Oc4ccccc43)nc(-c3ccccc3)n2)cc1
assistant