Using Cc1ccc2c(c1)C(C)(C)C(C)C2C(C)C, CCC(=O)Cl to produce CCC(=O)c1cc2c(cc1C)C(C)(C)C(C)C2C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.