Using COC(=O)c1cc(OC)c(OC(C)C)cc1NCc1ccc(OC)cc1 to produce COc1ccc(CNc2cc(OC(C)C)c(OC)cc2C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.