Using Nc1ccc(F)c(F)c1F, COc1ccc2c(c1)C(=O)c1ccc(Cl)cc1CC2 to produce COc1ccc2c(c1)C(=O)c1ccc(Nc3ccc(F)c(F)c3F)cc1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.