Using CC(=O)[O-], O=c1c2cc(-c3cccnc3)ccc2oc2ccnc(Cl)c12 to produce O=c1[nH]ccc2oc3ccc(-c4cccnc4)cc3c(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.