Using CC(=O)N1c2cc([N+](=O)[O-])c(-c3ccc(S(C)(=O)=O)cc3)cc2N(C(=O)OC(C)C)C[C@@H]1C to produce CC(=O)N1c2cc(N)c(-c3ccc(S(C)(=O)=O)cc3)cc2N(C(=O)OC(C)C)C[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.