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 thrombin inhibitor. Please write the SMILES representation of it.
user
CC(C)(C)C(O)C(=O)N1CCS(=O)(=O)CC1C(=O)NCc1cc(Cl)ccc1CN
assistant