Using CC(C)(C)OC(=O)N1CCC(CN2CCNCC2=O)CC1, O=S(=O)(Cl)c1ccc(Br)s1 to produce CC(C)(C)OC(=O)N1CCC(CN2CCN(S(=O)(=O)c3ccc(Br)s3)CC2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.