Using CC(C)C(=O)c1c(O)cc(O)cc1O, CC(C)=CCBr to produce CC(C)=CCc1c(O)c(CC=C(C)C)c(O)c(C(=O)C(C)C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.