Using Cc1ccc(N2CCN(C(=O)c3ccc(N4CC(CO)CC4=O)cc3)CC2)c(C)c1, CCN(CC)CC to produce Cc1ccc(N2CCN(C(=O)c3ccc(N4CC(CN5CCCC5)CC4=O)cc3)CC2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.