You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a thrombin inhibitor. Please represent the molecule in SMILES.
user
COCCc1noc(C2CC(c3ccc(OC(F)(F)F)cc3)CN(C(=O)N3CCC(N(C(=O)O)C(C)(C)C)CC3)C2)n1
assistant