You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the organic light-emitting device class of molecules.
user
N#Cc1ccc(-c2ccccc2-n2c3ccccc3c3c(C#N)cccc32)cc1-n1c2ccccc2c2ccc(-n3c4ccccc4c4ccccc43)cc21
assistant