You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a organic light-emitting device.
user
c1ccc2c(c1)oc1ccc(-c3c4ccccc4c(-c4ccc(-c5ccc6cc7sc8cc9c(cc8c7cc6c5)oc5ccccc59)cc4)c4ccccc34)cc12
assistant