Using Ic1ccncc1, CC(C)(C)S(=O)N=C(c1cccc(Br)c1)c1ccccc1C#N to produce NC1=NC(c2ccncc2)(c2cccc(Br)c2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.