Using Cc1cc2c(cc1B(O)O)C(C)(C)CCC2(C)C, O=Cc1cccc(Br)c1 to produce Cc1cc2c(cc1-c1cccc(C=O)c1)C(C)(C)CCC2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.