You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a anti viral and belongs to the hcv treatment class of molecules.
user
CC(C)C(=O)OC1C(COC(O)C(C)C)OC(n2ccc(N)nc2=O)C1(C)F
assistant