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 device and belongs to the organic light-emitting class of molecules.
user
c1ccc(-c2nc(-c3ccc4c(c3)oc3ccccc34)nc(-c3cccc4sc5c(-c6cccc(-c7nc8ccccc8s7)c6)cccc5c34)n2)cc1
assistant