Using O, O=c1nc(-c2cc(C(O)C(F)(F)F)ccn2)[nH]o1 to produce O=c1nc(-c2cc(C(O)(O)C(F)(F)F)ccn2)[nH]o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.