Using O=C([O-])c1cc(-c2c[nH]nc2-c2ccc(F)cc2)ccn1 to produce O=C(O)c1cc(-c2c[nH]nc2-c2ccc(F)cc2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.