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 organic light-emitting device class of molecules. Use the above information to create a molecule.
user
N#Cc1ccc(-c2ccc(-c3ccc(-c4ccc(-c5nc6ccccc6nc5-c5ccc(-c6cccc7ccccc67)cc5)cc4)c4ccccc34)cc2)cc1
assistant