Using FC(F)(F)c1cc(-c2ccco2)nn1Cc1ccccc1, O=C([O-])[O-] to produce O=Cc1ccc(-c2cc(C(F)(F)F)n(Cc3ccccc3)n2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.