Using CCCCCCCCCCCCCCCCS(=O)[O-], O=C1Cc2ccccc2C1Br to produce CCCCCCCCCCCCCCCCS(=O)(=O)C1C(=O)Cc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.