Using COc1ncccc1-c1cc(C(C)(C)C)cc(C=O)c1O, BrCc1ccccc1 to produce COc1ncccc1-c1cc(C(C)(C)C)cc(C=O)c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.