Using CC(C)(C)OC(=O)N[C@H](CC1CCCCC1)C(O)C(=O)NNC(=O)OCc1ccccc1 to produce CC(C)(C)OC(=O)N[C@H](CC1CCCCC1)C(O)C(=O)NN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.