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 caspase inhibitor. Use the above information to create a molecule.
user
Cc1ncccc1C(=O)NC(C(=O)N1CCCC1C(=O)NC(C=O)CC(=O)O)C(C)C
assistant