Using CN(C)C=O, CC(C)OCC1(C(F)(F)F)c2cc(C#N)ccc2Nc2ncc(Br)cc21 to produce CC(C)OCC1(C(F)(F)F)c2cc(C#N)ccc2Nc2ncc(C#N)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.