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
COCC1(C2(NS(=O)(=O)c3ccc4ccccc4c3)C(O)CCN2CCC=O)CCCCN1C(=O)O
assistant