Using COc1ncccc1B(O)O, CC(C)(C)c1cc(Br)c(O)c(C=O)c1 to produce COc1ncccc1-c1cc(C(C)(C)C)cc(C=O)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.