Using NC(=O)c1cc(Br)cc2c(C3CCS(=O)(=O)CC3)c[nH]c12, OB(O)c1ccccc1 to produce NC(=O)c1cc(-c2ccccc2)cc2c(C3CCS(=O)(=O)CC3)c[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.