Using COC(=O)[C@H]1CC[C@H](NC(=O)N2CCN(c3ccc(CN)cc3)CC2)CC1 to produce NCc1ccc(N2CCN(C(=O)N[C@H]3CC[C@H](C(=O)O)CC3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.