Using CN(C)C=O, CC(=O)S[C@H]1C[C@@H](CC(=O)O)N(C(=O)OCc2ccc([N+](=O)[O-])cc2)C1 to produce CC(=O)S[C@H]1C[C@@H](CC(=O)N(C)C)N(C(=O)OCc2ccc([N+](=O)[O-])cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.