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.
user
c1ccc2cc(-c3c4ccccc4c(-c4ccc(-c5ccc6c(c5)sc5ccc7c8ccc9ccccc9c8oc7c56)cc4)c4ccccc34)ccc2c1
assistant