You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the organic light-emitting diode class of molecules.
user
c1ccc(-c2cc(-c3ccccc3)nc(-c3ccc(-c4ccc5cc(-c6ccc(-c7cccc8cccnc78)cc6)ccc5c4)cc3)n2)cc1
assistant