Using COc1cc(F)c(C(C)(Cl)C(F)(F)F)c(F)c1, C1CCCCC1 to produce COc1cc(F)c(C(C)(C)C(F)(F)F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.