Using NCC[C@H](O)C(=O)O, O=C(Cl)OCc1ccc([N+](=O)[O-])cc1 to produce O=C(NCC[C@H](O)C(=O)O)OCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.