Using CON(C)C(=O)C(CC(=O)OC(C)(C)C)NS(=O)(=O)c1ccc(NC(C)=O)cc1OCc1ccccc1 to produce CON(C)C(=O)C(CC(=O)OC(C)(C)C)NS(=O)(=O)c1ccc(NC(C)=O)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.