You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a organic light-emitting device that impacts electron transport.
user
c1ccc2c(c1)nc(-c1ccc(-c3cccc4c3sc3ccccc34)cc1)c1c3cccnc3c3ncccc3c21
assistant