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 factor xia inhibitor. Please represent the molecule in SMILES.
user
COC(=O)Nc1ccc(-c2cc(C(CC(=O)OC(C)(C)C)NC(=O)C=Cc3cc(Cl)ccc3-n3cnnn3)n[nH]c2=O)cc1
assistant