Using Cc1cc(-c2cc(=O)n(C)[nH]2)c(F)cc1Cl, FC(F)Cl to produce Cc1cc(-c2cc(OC(F)F)n(C)n2)c(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.