You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is both a serine protease inhibitor and a factor xia inhibitor.
user
CCn1cc(Cc2ccc(C(=O)NCc3ccccn3)cc2Oc2ccc(C)cc2C(=O)OC(=O)c2ccc(C)cc2-c2ccccc2Cc2cn(CC)c3cc(C(=N)N)ccc23)c2ccc(C(=N)N)cc21
assistant