Using O=C(CCC1CCCCC1)N1CC=C(c2cccc(C(F)(F)F)c2)CC1 to produce FC(F)(F)c1cccc(C2=CCN(CCCC3CCCCC3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.