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 molecule is both a hepatitis b treatment and a anti viral.
user
Nc1nc2c(sc(=O)n2C2OC(CO)CC2CC(=O)O)c(=O)[nH]1
assistant