Using OB(O)c1cc[nH]n1, Cc1cc(NS(=O)(=O)c2cccc(Cl)c2)c2c(C)c(Br)sc2n1 to produce Cc1cc(NS(=O)(=O)c2cccc(Cl)c2)c2c(C)c(-c3cc[nH]n3)sc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.