Using CCc1c(C)c(NC(=O)CC(C)(C)C)c(C)c2c1SCC2c1ccc(C(C)C)cc1, O=C([O-])O to produce CCc1c(C)c(NC(=O)CC(C)(C)C)c(C)c2c1S(=O)CC2c1ccc(C(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.