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): The molecule is a light-emitting device and is organic light-emitting.
user
O=P(c1ccccc1)(c1ccccc1)c1ccc2cc(-c3cccc4nc5c6c7ccccc7ccc6c6cc7ccccc7cc6n5c34)ccc2c1
assistant