Using CS(=O)c1nc(N)nc(-c2cc(Br)co2)c1C#N, Cc1ccc(CN)nc1 to produce Cc1ccc(CNc2nc(N)nc(-c3cc(Br)co3)c2C#N)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.