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 that fulfills the requirement: It belongs to the organic light-emitting device class of molecules.
user
N#Cc1ccc2c(c1)c1ccccc1n2-c1ccc2c(c1)-c1ccc(-c3ccc4oc5ccccc5c4c3)cc1OCO2
assistant