Using Nc1ccc(C(F)(F)F)cc1C(=O)c1cc(Cl)ccc1O, CC(C(=O)Cl)C(=O)Cl to produce O=c1[nH]c2ccc(C(F)(F)F)cc2c(-c2cc(Cl)ccc2O)c1CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.