Using Cc1cc2cc(Cl)ccc2[nH]1, CC1(C)CC(=O)OC1=O to produce Cc1[nH]c2ccc(Cl)cc2c1C(=O)CC(C)(C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.