You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a hcv protease inhibitor.
user
CCCC(NC(=O)C(CCC(=O)O)NC(=O)C(NC(=O)C(NC(=O)C(CCC(=O)O)NC(=O)C(CCC(=O)O)NC(C)=O)C(C)C)C(C)C)C(=O)C(=O)NCC(=O)O
assistant