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 hcv protease inhibitor. Please represent the molecule in SMILES.
user
C=C(C)C(CN1C(=O)CC(C)(C)CC1=O)NC(=O)NC(C(=O)N1CC2C(C1C(=O)NC1(C(=O)C(=O)NC3CC3)CC1)C2(C)C)C(C)(C)C
assistant