Using CCN(CC)CC, CC(C)(C)OC(=O)N[C@H]1CC[C@H](OCC(=O)O)CC1 to produce CC(C)(C)OC(=O)N[C@H]1CC[C@H](OCC(N)=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.