Using CCOC(=O)CCCCC(/C=C/c1ccccc1O)CCc1ccc(C#N)cc1, CC(C)(C)c1ccc(CBr)cc1 to produce CCOC(=O)CCCCC(/C=C/c1ccccc1OCc1ccc(C(C)(C)C)cc1)CCc1ccc(C#N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.