You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a member of the light-emitting class and affects luminous efficiency.
user
c1ccc(-c2nc(-c3cc(-c4ccc(-c5ccncc5)cc4)cc(N4c5ccccc5Oc5ccccc54)c3)cc(-c3cccc4oc5ccccc5c34)n2)cc1
assistant