Using Cc1ccc(CC2(O)CCN(CC3=Cc4ccc(O)cc4C3)CC2)cc1 to produce Cc1ccc(CC2(O)CCN(CC3Cc4ccc(O)cc4C3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.