Using N#CBr, COc1ccc2c(c1)c(N1CCN(C)CC1)nn2S(=O)(=O)c1ccccc1 to produce COc1ccc2c(c1)c(N1CCN(C#N)CC1)nn2S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.