Using O=C(Cl)Oc1ccccc1, Nc1ccc(-c2nc(-c3ccco3)no2)c(Cl)c1 to produce O=C(Nc1ccc(-c2nc(-c3ccco3)no2)c(Cl)c1)Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.