You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a ns5a inhibitor, anti viral compound, hcv inhibitor and belongs to the anti viral class of molecules.
user
CC(=O)N1CCCC1c1ncc(-c2ccc(-c3ccc4ncnc(Nc5ccc(N6CCOCC6)cc5)c4c3)cc2)[nH]1
assistant