You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a organic light-emitting device.
user
N#Cc1ccc2c(c1)c1c(C#N)cccc1n2-c1cc(-c2ccccc2-c2ccccc2-n2c3ccccc3c3ccccc32)ccc1C#N
assistant