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 a plasma kallikrein inhibitor.
user
COCC(c1ccc(Cn2ccccc2=O)nc1)c1[nH]ncc1C(=O)NCc1cc(OC)ccc1C#N
assistant