You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is light-emitting. Use the above information to create a molecule.
user
c1ccc(-c2ccc(-n3c4ccccc4c4cc5cc6c(cc5cc43)c3ccccc3n6-c3ccccc3)nc2)cc1
assistant