Using COc1ccc(Br)c(CNC(=O)OC(C)(C)C)c1, COC(=O)c1cccc(B(O)O)c1 to produce COC(=O)c1cccc(-c2ccc(OC)cc2CNC(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.