Using COC(=O)c1ccc(OCC2CC(=O)N(c3ccc(OCc4ccccc4)cc3)C2)cc1 to produce COC(=O)c1ccc(OCC2CC(=O)N(c3ccc(O)cc3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.