Using CC1(C)COC(=O)N1c1nc(-c2ccc(Br)cc2)ns1, CN(C)C=O to produce CC1(C)COC(=O)N1c1nc(-c2ccc(C#N)cc2)ns1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.