You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It is a molecule that belongs to both the organic electroluminescent compound and electroluminescent classes and has an effect on improved luminous efficiency.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3cccc(-n4c5ccccc5c5ccc6c(ccc7c6c6ccccc6n7C6CCCCC6)c54)c3)n2)cc1
assistant