Using Nc1c(Cl)cc2cn[nH]c2c1C(=O)O, O=C(O)c1cc(Cl)nn1-c1ncccc1Cl to produce O=c1oc(-c2cc(Cl)nn2-c2ncccc2Cl)nc2c(Cl)cc3cn[nH]c3c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.