Using COC(=O)c1cc([N+](=O)[O-])c(NC(C)=O)cc1OC, COS(C)(=O)=O to produce COC(=O)c1cc([N+](=O)[O-])c(N(C)C(C)=O)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.