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 light-emitting.
user
CC1(C#N)C=Cc2c(c3ccccc3n2-c2cccc(-n3c4ccccc4c4cc(C#N)ccc43)n2)C1
assistant