Using CC(C)(C)CNc1nc(C#N)ncc1Br, C#CCN1CCS(=O)(=O)CC1 to produce CC(C)(C)Cn1c(CN2CCS(=O)(=O)CC2)cc2cnc(C#N)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.