You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the electroluminescent, light-emitting, and organic light-emitting device classes of molecules and has an effect on electroluminescent device. Use the above information to create a molecule.
user
c1ccc(-c2ccc3ccc4c5ccc(-c6cccc(-c7nc(-c8ccccc8)nc(-c8ccccc8)n7)c6)cc5nc(-c5ccccc5)c4c3n2)cc1
assistant