Using CC(C)(C)S(=O)N=C(c1ccc(F)c(Br)c1)c1cccc(F)c1C#N, Ic1ccncc1 to produce NC1=NC(c2ccncc2)(c2ccc(F)c(Br)c2)c2cccc(F)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.