You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a thrombin inhibitor.
user
CC(=O)OCCC1CCN(C(=O)C(CSCCCNC(=O)OCc2ccccc2)NC(=O)OC(C)(C)C)CC1
assistant