Using CCOC(=O)CCNC, O=C(O)c1ccc([N+](=O)[O-])cc1 to produce CCOC(=O)CCN(C)C(=O)c1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.