Using O=S([O-])O, CC(C)(C)c1ccccc1N1CCN(C(=O)C(=O)NC2CCSCC2)CC1 to produce CC(C)(C)c1ccccc1N1CCN(C(=O)C(=O)NC2CCS(=O)(=O)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.