Using CC=Cc1ccc(Br)cc1OCc1ccccc1, CC(C)(C)OC(=O)C[Zn+] to produce CC=Cc1ccc(CC(=O)OC(C)(C)C)cc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.