Using CC1(C)C(C(=O)Cl)C1(C)C, Cc1ccc2cc[nH]c2c1 to produce Cc1ccc2c(C(=O)C3C(C)(C)C3(C)C)c[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.