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 light-emitting device.
user
N#Cc1ccc2c3ccc(-c4cc5ccc6cccc7ccc(c4)c5c67)cc3n(-c3ccccc3)c2c1
assistant