Using CC(C)(C)S(=O)N=C(c1ccnc(Br)c1)c1cccc(F)c1C#N, FC(F)c1cc(Br)ccn1 to produce NC1=NC(c2ccnc(Br)c2)(c2ccnc(C(F)F)c2)c2cccc(F)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.