Using CCOC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2nc(Br)sc2c1OS(=O)(=O)C(F)(F)F to produce CCOC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2nc(Br)sc2c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.