Using COc1ccc2cc(C(OC)(OC)C(C)OS(C)(=O)=O)ccc2c1, O=C([O-])O to produce COc1ccc2cc(C(C)C(=O)O)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.