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 protease inhibitor. Please represent the molecule in SMILES.
user
CCCC(NC(=O)C1C2CCCC2CN1C(=O)C(NC(=O)C(NC(=O)OC)C(C)(C)C)C(C)(C)C)C(=O)C(=O)N(N)C1CC1
assistant