Using CC(C)(C)OC(=O)N(CCNCCNS(=O)(=O)c1cccc2cnccc12)c1ccc(Br)cc1 to produce O=S(=O)(NCCNCCNc1ccc(Br)cc1)c1cccc2cnccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.