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