Using c1ccc(-c2ccccc2)cc1, CC(C)=CC(=O)O to produce CC(C)(CC(=O)O)c1ccc(-c2ccc(C(C)(C)CC(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.