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 factor xia inhibitor, a serine protease inhibitor, and a plasma kallikrein inhibitor.
user
O=C(C=Cc1cc(Cl)ccc1-n1cnnn1)NC(Cc1ccccc1)C(=O)Nc1ccc(N2CCOCC2)cc1
assistant