Using COC(=O)C1=C(C(=O)OC)C2(c3ccncc3)OC1c1cc(OC)c(OC)cc12 to produce COC(=O)c1cc2cc(OC)c(OC)cc2c(-c2ccncc2)c1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.