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)c1cccc(C#N)c1n2-c1cccc(-c2ccc(C#N)c(-c3ccccc3-n3c4ccccc4c4ccccc43)c2)c1
assistant