Using Nc1cnn(S(=O)(=O)c2ccccc2)c1, CSc1nc(C)c(C#N)c(Cl)n1 to produce CSc1nc(C)c(C#N)c(Nc2cn[nH]c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.