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 electroluminescent.
user
O=c1nc2sc3ccccc3n2c(=O)n1-c1cccc2oc3ccc(-c4ccc(-c5ccccc5)cc4)cc3c12
assistant