Using COC(=O)C(=[N+]=[N-])C(=O)C[C@H](NC(=O)OC(C)(C)C)C1CC1 to produce COC(=O)C1C(=O)C[C@@H](C2CC2)N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.