Using FC(F)(F)c1cc(C=C2c3ccccc3CCc3ccccc32)cc(C(F)(F)F)c1 to produce FC(F)(F)c1cc(CC2c3ccccc3CCc3ccccc32)cc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.