Using Fc1ccc(-c2ccsc2-c2ccc(F)cc2)cc1, CN=C(C(F)(F)F)C(F)(F)F to produce CNC(c1cc(-c2ccc(F)cc2)c(-c2ccc(F)cc2)s1)(C(F)(F)F)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.