Using CC(=O)N1CCC(C(=O)Cl)CC1, CC(C)(C)c1ccccc1 to produce CC(=O)N1CCC(C(=O)c2ccc(C(C)(C)C)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.