You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a organic electroluminescent device and belongs to the high luminous efficiency class, known to affect low driving voltage and impact luminous efficiency, while being characterized as electroluminescent.
user
c1ccc(N(c2ccccc2)c2ccc(-c3ccc(-n4c5cccc6c5c5c7c(cccc7c7oc8ccccc8c7c54)-c4ccccc4-6)cc3)cc2)cc1
assistant