Using CC(C)(C)c1cc2c(cc1CCl)Cc1cc(CCl)c(C(C)(C)C)cc1-2 to produce Cc1cc2c(cc1C(C)(C)C)-c1cc(C(C)(C)C)c(C)cc1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.