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 light-emitting.
user
CCCCCCc1ccc(-c2ccc(-c3nc(-c4ccc(C)c(C)c4)nc(-c4ccc(C)c(C)c4)n3)cc2)cc1
assistant