You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is organic light-emitting.
user
c1ccc(-c2nc(-c3ccc4c(c3)oc3ccccc34)nc(-c3ccc4oc5cccc(-c6cccc7c6sc6ccccc67)c5c4c3)n2)cc1
assistant