You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is light-emitting.
user
c1ccc(-c2ccc3c(c2)c2cc4ccc5ccc(-c6ccc(N(c7ccccc7)c7ccccc7)cc6)c6ccc(c4c56)c2n3-c2ccccc2)cc1
assistant