Using CC(=O)c1ccc2c(c1C)C(=O)C(C)(C)CS2(=O)=O, [O-]Cl to produce Cc1c(C(=O)O)ccc2c1C(=O)C(C)(C)CS2(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.