Using OC1CCN(Cc2ccccc2)CC1, Oc1c(F)c(F)c(F)c(F)c1F to produce Fc1c(F)c(F)c(OC2CCN(Cc3ccccc3)CC2)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.