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: It belongs to both the organic light-emitting device and light-emitting classes of molecules.
user
c1ccc(-c2ccc(-n3c4ccccc4c4cc5sc6ccccc6c5cc43)c3ccccc23)cc1
assistant