Using CCOC(=O)c1cc(Oc2ccccc2)ccc1NC(=O)c1ccc(OC)c(Cl)c1 to produce COc1ccc(C(=O)Nc2ccc(Oc3ccccc3)cc2C(=O)O)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.