You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a organic electroluminescent element and belongs to the organic light-emitting device class, known to affect luminous efficiency and impact electron transport, while being characterized as electroluminescent.
user
Clc1ccc(-c2cc(-c3cc(-c4ccccc4)cc(-c4ccccc4)c3)nc(-c3ccccc3)n2)cc1
assistant