Using Nc1cc(Cl)c(Oc2ccc(F)cc2F)cc1N, O=C(O)C(F)(F)C(F)(F)C(F)(F)F to produce Fc1ccc(Oc2cc3[nH]c(C(F)(F)C(F)(F)C(F)(F)F)nc3cc2Cl)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.