Using [OH-], O=C(COc1ccc(Cl)cc1)N1Cc2ccc(C(=O)C(Cl)(Cl)Cl)n2Cc2ccccc21 to produce O=C(O)c1ccc2n1Cc1ccccc1N(C(=O)COc1ccc(Cl)cc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.