Using Cc1[nH]c2ccccc2c1C(=O)OC(C)(C)C, CC(=O)C(C)Cl to produce CC(=O)C(C)n1c(C)c(C(=O)OC(C)(C)C)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.