Using Nc1ccc(Cl)cc1O, CC1(c2cccc(C(=O)O)c2)COCC(=O)N1 to produce CC1(c2cccc(-c3nc4ccc(Cl)cc4o3)c2)COCC(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.