Using CC(C)(C)C(=O)Nc1cc(-c2cn3cc(Cl)ncc3n2)ccc1C(F)(F)F, OB(O)c1ccccc1F to produce CC(C)(C)C(=O)Nc1cc(-c2cn3cc(-c4ccccc4F)ncc3n2)ccc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.