You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to both the organic electroluminescent device and electroluminescent classes of molecules and impacts luminous efficiency.
user
c1ccc2c(-c3nc(-c4ccc(-n5c6ccccc6c6c7ccccc7ccc65)nc4)nc(-c4cccc5ccccc45)n3)cccc2c1
assistant