Using CC(=O)c1ccc(Oc2ccc(B3OC(C)(C)C(C)(C)O3)cc2)cc1, CC(=O)OC[C@@]12CO[C@@](c3ccc(Cl)c(CBr)c3)(O1)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]2OC(C)=O to produce CC(=O)OC[C@@]12CO[C@@](c3ccc(Cl)c(Cc4ccc(Oc5ccc(C(C)=O)cc5)cc4)c3)(O1)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]2OC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.