Using CSc1ccc([C@H]2OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]2CF)cc1, O=C([O-])[O-] to produce CS(=O)c1ccc([C@H]2OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]2CF)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.