Using CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1c1cccc([N+](=O)[O-])c1, CCOCCl to produce CCOCN1C(C)=C(C(=O)OCC)C(c2cccc([N+](=O)[O-])c2)C(C(=O)OCC)=C1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.