You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to both the electroluminescent and organic electroluminescent material classes of molecules.
user
c1ccc(-c2ccc(-c3cccc(-n4c5ccccc5c5c6c7ccccc7n(-c7cccc(-c8nc(-c9ccccc9)nc(-c9ccccc9)n8)c7)c6ccc54)c3)cc2)cc1
assistant