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 electroluminescent material that is electroluminescent and organic electroluminescent.
user
c1ccc(-c2ccccc2-c2cccc(-c3ccc(-c4ccccc4-c4ccccc4Oc4ccc5c(c4)c4cc(-c6ccc7c(c6)c6cc(-c8ccc9oc%10ccccc%10c9c8)ccc6n7-c6ccccc6)ccc4n5-c4ccccc4)cc3)c2)cc1
assistant