Using NCc1ccc([N+](=O)[O-])cc1, CCOC(=O)CCC(=O)Cl to produce CCOC(=O)CCC(=O)NCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.