Using Brc1ccccc1P(c1ccccc1)c1ccccc1, CC(C)(C)C(=O)Cl to produce CC(C)(C)C(=O)c1ccccc1P(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.