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#Cc1cc(C#N)cc(-c2ccc(-c3cc(-n4c5ccccc5c5cc6c(cc54)oc4ccccc46)cc(-n4c5ccccc5c5c4ccc4c6ccccc6n(-c6ccccc6)c45)c3)cc2)c1
assistant