Using CC(C)[N-]C(C)C, CN1C(=O)C[C@@](C)(c2cccc([N+](=O)[O-])c2)N=C1NC(=O)OC(C)(C)C to produce C[C@H]1C(=O)N(C)C(NC(=O)OC(C)(C)C)=N[C@]1(C)c1cccc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.