You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a thrombin inhibitor.
user
CC1CNc2c(cccc2S(=O)(=O)N(C(=O)CN)C(=O)C2CCCCN2)C1
assistant