You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The organic light-emitting molecule has an effect on light emission.
user
CCc1nc2cccc3c2n1-c1c(-c2ccc4c5c(cccc25)-c2ccccc2-4)cccc1P3(=O)c1ccccc1
assistant