You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a thrombin inhibitor.
user
CC(=O)OCCC1CCN(C(=O)C(CNCCCNC(=O)OCc2ccccc2)NC(=O)OC(C)(C)C)CC1
assistant