Using O=C(O)c1cccc(F)c1, N=C1NC(C(F)(F)F)(C(F)(F)F)C(=C(F)C(F)(F)F)S1 to produce O=C(NC1=NC(C(F)(F)F)(C(F)(F)F)C(=C(F)C(F)(F)F)S1)c1cccc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.