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 thrombin inhibitor and belongs to the anti coagulant class of molecules. Use the above information to create a molecule.
user
COc1cc(C#N)ccc1C(=O)NC(=O)C1CCCN1C(=O)OC(C)(C)C
assistant