You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a organic light-emitting device.
user
c1ccc(-c2nc(-c3ccc4sc5ccccc5c4c3)nc(-c3cccc4c3sc3cccc(-c5nc(-c6ccccc6)c6sc7ccccc7c6n5)c34)n2)cc1
assistant