You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a thrombin inhibitor, a serine protease inhibitor, and a anti coagulant.
user
CC(=O)O.CCc1cc(C(Nc2ccc(C(=N)N)cc2)c2nn(-c3ncccn3)c(=O)[nH]2)cc(OC)c1OC
assistant