Using C#Cc1ccc(C(=O)OC)cc1, ON=C(Cl)c1ccc(Cl)cc1 to produce COC(=O)c1ccc(-c2cc(-c3ccc(Cl)cc3)no2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.