Using Nc1nnn[nH]1, O=C(O)c1cc(C(F)(F)F)ccc1OCc1ccccc1 to produce O=C(Nc1nnn[nH]1)c1cc(C(F)(F)F)ccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.