Using COC(=O)c1cc(O)c2cccc(OC)c2n1, COc1cccc2cc(Cl)c(C(=O)[O-])nc12 to produce COC(=O)c1cc(Cl)c2cccc(OC)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.