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 based on this description: The molecule is a organic electroluminescent device, electroluminescent, and light-emitting compound.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3ccc(-c4ccc(-n5c6ccccc6c6c7c(ccc65)ccn7-c5ccccc5)cc4)cc3)n2)cc1
assistant