You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is both a thrombin inhibitor and a anti coagulant.
user
CC(=O)OC(C(=O)N1CC(C)N(C)CC1C(=O)O)C(C)(C)C
assistant