Using Oc1ccc(Br)cc1, COc1ccc2c(c1)S(=O)(=O)C(Br)=C2Br to produce COc1ccc2c(c1)S(=O)(=O)C(Br)=C2Oc1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.