Using COC(=O)c1c([N+](=O)[O-])cccc1S(=O)(=O)NCC(C)O, CNC to produce CC(O)CNS(=O)(=O)c1cccc([N+](=O)[O-])c1C(=O)N(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.