Using O=c1cc(O)c(Cl)c[nH]1, OC1CCN(c2ncc(C(F)(F)F)cn2)CC1 to produce O=c1cc(OC2CCN(c3ncc(C(F)(F)F)cn3)CC2)c(Cl)c[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.