Using O=C(O)c1cnn(-c2cccc(Cl)c2)c1C(F)(F)F, NCc1cccc(C(F)(F)F)c1 to produce O=C(NCc1cccc(C(F)(F)F)c1)c1cnn(-c2cccc(Cl)c2)c1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.