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: The molecule is a member of the organic electroluminescent device class, affects luminous efficiency, and is characterized as electroluminescent.
user
c1ccc(-c2cc3c4c5c6c(cccc6ccc5n(-c5ccc(-c6nc7ccccc7nc6-c6ccccc6)cc5)c4c2)-c2ccccc2-3)cc1
assistant