You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a hcv protease inhibitor and belongs to the hepatitis c treatment class of molecules.
user
CCCC(C(=O)C(=O)NCC(=O)O)N1CCC(NC(=O)C(NC(=O)C(NC(=O)C(CCC(=O)OC(C)(C)C)NC(=O)C(CCC(=O)OC(C)(C)C)NC(C)=O)C(C)C)C(C)C)C1=O
assistant