Using ClC(Cl)(Cl)C(Cl)(Cl)Cl, CNC(=O)c1cccc(-c2cnco2)c1 to produce CNC(=O)c1cccc(-c2cnc(Cl)o2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.