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
Cn1c(-c2ccccc2)nc2cccc(-c3ccc(-c4c5ccccc5c(S(c5ccccc5)(c5ccccc5)c5ccccc5)c5ccccc45)c4ccccc34)c21
assistant