You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is both a thrombin inhibitor and a anti coagulant.
user
CC(C)(C)OC(=O)C1CCC(CO)N1C(=O)OCc1ccccc1
assistant