You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a cysteine protease inhibitor. Use the above information to create a molecule.
user
CCCC1COCC(=O)C1NC(=O)C(CC(C)C)NC(=O)c1cccc(N2CCN(C)CC2)c1.CCCC1COCC(=O)C1NC(=O)C(CC(C)C)NC(=O)c1cccc(N2CCOCC2)c1
assistant