You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the organic light-emitting device class of molecules.
user
N#Cc1ccc2c(c1)c1ccccc1n2-c1ccc2c(c1)COCc1ccc(-n3c4ccccc4c4ccccc43)cc1-2
assistant