Using OO, Cc1cn(-c2cc(C#N)cc(C(F)(F)F)c2)cn1 to produce Cc1cn(-c2cc(C(N)=O)cc(C(F)(F)F)c2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.