Using CCN(CC)S(F)(F)F, CCCc1cc(F)c(C2CCC(=O)CC2)c(F)c1 to produce CCCc1cc(F)c(C2CC=C(F)CC2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.