You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a member of the light-emitting class and affects luminous efficiency. Please represent the molecule in SMILES.
user
c1ccc(-c2nc(-c3cc(-c4cccc5ncccc45)cc(N4c5ccccc5Oc5ccccc54)c3)cc(-c3ccc4c(c3)oc3ccccc34)n2)cc1
assistant