You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a organic light-emitting device. Use the above information to create a molecule.
user
N#Cc1cc(-n2c3ccccc3c3cccc(C#N)c32)ccc1-c1cccc(-n2c3ccccc3c3c(-n4c5ccccc5c5ccccc54)cccc32)c1
assistant