Using CC(CNS(=O)(=O)C(C)C)c1ccc(Br)cc1, OB(O)c1cccs1 to produce CC(CNS(=O)(=O)C(C)C)c1ccc(-c2cccs2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.