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: It is a molecule that belongs to the high luminous efficiency, organic electroluminescent device, and electroluminescent classes, and it has an effect on organic electroluminescence as well as impacts electron-transporting.
user
c1ccc(-c2cc(-c3ccccc3)nc(-c3cccc(-c4ccc5oc6c(ccc7c8cc(-c9cccc(-c%10nc(-c%11ccccc%11)cc(-c%11ccccc%11)n%10)c9)ccc8oc76)c5c4)c3)n2)cc1
assistant