Using O=S(=O)(Cl)c1ccc(Br)cc1, COc1cccc(-c2c(C)sc3nc(C)cc(N)c23)c1 to produce COc1cccc(-c2c(C)sc3nc(C)cc(NS(=O)(=O)c4ccc(Br)cc4)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.