Using CC(=O)Nc1ccc(C[C@H](NC(=O)C(F)(F)F)C(=O)N2CCC(C)CC2)cc1[N+](=O)[O-] to produce CC1CCN(C(=O)[C@@H](N)Cc2ccc(N)c([N+](=O)[O-])c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.