Using O=C([O-])[O-], CSCCN1C(=O)c2ccccc2C(C)(C)C1=O to produce CS(=O)CCN1C(=O)c2ccccc2C(C)(C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.