Using C1CNC1, O=C(Cl)N1CC(Oc2cccc(C(F)(F)F)c2)C1 to produce O=C(N1CCC1)N1CC(Oc2cccc(C(F)(F)F)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.