Using CN(C)C=O, Cc1[nH]c(=O)[nH]c1C(=O)c1ccc(Br)s1 to produce Cc1[nH]c(=O)[nH]c1C(=O)c1ccc(C#N)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.