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 the organic light-emitting class of molecules.
user
CCC1C=C(n2c3ccc(-c4ccccc4)cc3c3c4c5ccccc5n5c6ccccc6c(cc32)c45)c2c(sc3ccccc23)N=C1c1ccccc1
assistant