Using COc1ccccc1OCC1CO1, COc1ccc(N2CCN(C3CCNCC3)C2=O)cc1 to produce COc1ccc(N2CCN(C3CCN(CC(O)COc4ccccc4OC)CC3)C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.