Using Cn1ncc(NC(=O)c2nc(-c3c(F)cccc3F)sc2N)c1C1OCC(C)(CNC(=O)C(F)(F)F)CO1 to produce Cn1ncc(NC(=O)c2nc(-c3c(F)cccc3F)sc2N)c1C1OCC(C)(CN)CO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.