Using NC(=O)CO, COc1nc(Cl)cnc1N(COCCO[Si](C)(C)C)S(=O)(=O)c1cccc(Cl)c1Cl to produce COc1nc(NC(=O)CO)cnc1NS(=O)(=O)c1cccc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.