You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a factor xia inhibitor.
user
COC(=O)Nc1ccc(-c2cn(COCC[Si](C)(C)C)c(C(COCCC(=O)OCc3ccccc3)NC(=O)OC(C)(C)C)n2)c(NC(=O)C(F)(F)F)c1
assistant