Using NCc1ccc(-c2ccnc(C(F)(F)F)c2)cc1, O=C(O)c1ccc(-c2cnccn2)cc1 to produce O=C(NCc1ccc(-c2ccnc(C(F)(F)F)c2)cc1)c1ccc(-c2cnccn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.