You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a anti viral. Please represent the molecule in SMILES.
user
COc1c(C)c2c(c(O)c1CC=C(C)CC(C(C)=O)P(C)(=O)OCC(F)(F)F)C(=O)OC2
assistant