You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a factor ixa inhibitor and belongs to the anti thrombotic class of molecules. Please write the SMILES representation of it.
user
COC(=O)CN1C(=O)CCc2ccc(C(C)C)cc21
assistant