You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The organic light-emitting molecule has an effect on light emission.
user
CCc1nc2ccc(-c3nc(-c4ccccc4)nc(-c4ccccc4)n3)c3c2n1-c1ccccc1P3(=O)c1ccccc1
assistant