You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a organic light-emitting diode.
user
c1ccc(-c2nc(-c3cccc4c(N5c6c(ccc7ccccc67)-c6cccc7cccc5c67)cccc34)nc3ccccc23)nc1
assistant