Using CCN1CNS(=O)(=O)c2ncc(C)cc21, COS(=O)(=O)c1ccc(C)cc1 to produce CCN1CN(C)S(=O)(=O)c2ncc(C)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.