Using Fc1cc(C2CCC(CCC3C=CCCC34OCCO4)CC2)cc(F)c1F to produce Fc1cc(C2CCC(CCC3CCCCC34OCCO4)CC2)cc(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.