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 serine protease inhibitor, a factor xia inhibitor, and a plasma kallikrein inhibitor. Please represent the molecule in SMILES.
user
COC1CCN(c2cccc3c2CCN(C(=O)C2CC4(CCN(C(=O)OC(C)(C)C)CC4)C2)C3C(=O)Nc2ccc(C(=O)OC(C)(C)C)cc2)CC1
assistant