Using COc1ccc(N2CCC(CO)CC2)nn1, CCOC(=O)c1ccc(O)cc1 to produce CCOC(=O)c1ccc(OCC2CCN(c3ccc(OC)nn3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.