Using COc1cc2c(cc1Br)C(=O)CC(C)(C)O2, Cc1ccc(S(=O)(=O)O)cc1 to produce COc1cc2c(cc1Br)C(C)=CC(C)(C)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.