You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a thrombin inhibitor.
user
NNC=NCCCCNC(=O)C1CCCN1C(=O)C(Cc1ccccc1)NS(=O)(=O)c1ccc2ccccc2c1
assistant