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 a organic light-emitting device that has an effect on low voltage.
user
c1ccc(-c2ccc(N(c3ccc(-c4ccccc4)cc3)c3ccc4c(sc5ccccc54)c3-c3ccc4ccccc4c3)cc2)cc1
assistant