Using CC(C)(C)OC(=O)N1CCC(OS(C)(=O)=O)CC1, N#Cc1[nH]ncc1Br to produce CC(C)(C)OC(=O)N1CCC(n2cc(Br)c(C#N)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.