Using NCc1ccc(/C=C/C(c2cc(Cl)c(Cl)c(Cl)c2)C(F)(F)F)cc1C(F)(F)F, O=Cc1ccccn1 to produce FC(F)(F)c1cc(/C=C/C(c2cc(Cl)c(Cl)c(Cl)c2)C(F)(F)F)ccc1CNCc1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.