Using NCCc1ccc(C(=O)O)cc1, O=C(O)c1cc(Cl)cc([N+](=O)[O-])c1Cl to produce O=C(O)c1ccc(CCNc2c(C(=O)O)cc(Cl)cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.