You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a organic electroluminescent device, which is part of both the electroluminescent and high luminous efficiency classes, and it influences low driving voltage as well as affects luminous efficiency.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3ccc(-n4c5cccc6c5c5c7c(cccc7ccc54)-c4cc5c(cc4-6)oc4ccccc45)cc3)n2)cc1
assistant