Using CN1C(=O)N(C)C(c2ccc(NS(=O)(=O)c3ccccc3)cc2O)N(C)C1=O, [OH-] to produce O=Cc1ccc(NS(=O)(=O)c2ccccc2)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.