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 based on this description: The molecule is a organic light-emitting device, light-emitting, and organic light-emitting compound.
user
c1ccc(-c2ccc(-c3nc(-c4cccc5ccccc45)c4c(n3)C3(c5ccccc5-4)c4ccccc4N(c4ccccc4)c4ccccc43)cc2)cc1
assistant