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: The molecule is a light-emitting device and belongs to the organic light-emitting class of molecules.
user
N#Cc1ccccc1-c1ccc2c(c1)Oc1cc(-c3ccc(-c4nc(-c5ccccc5)nc(-c5ccccc5)n4)cc3)ccc1C21c2ccccc2-c2ccccc21
assistant