You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a organic light-emitting member of the organic light-emitting device class.
user
c1ccc(-c2nc(-c3cccc4sc5ccccc5c34)nc(-c3cccc4sc5cccc(-c6cccc(-c7nc8ccccc8s7)c6)c5c34)n2)cc1
assistant