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#Cc1ccc2c(c1)c1cc(C#N)ccc1n2-c1ccc2oc3cccc(-n4c5ccccc5c5ccccc54)c3c2c1
assistant