You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is light-emitting. Please represent the molecule in SMILES.
user
CCCCOc1ccc(Nc2ccc(N(c3ccccc3)c3ccc(-c4nc5ccc(OCCCC)cc5s4)cc3)cc2)cc1
assistant