Using Br, CCc1ccc([C@@H]2OC(OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)cc1Cc1ccc2c(c1)CCCO2 to produce CCc1ccc([C@@H]2OC(Br)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)cc1Cc1ccc2c(c1)CCCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.