Using [O-][Cl+][O-], COC(=O)CCCC(C=O)=C(Cl)c1ccc(-c2ccccc2)cc1 to produce COC(=O)CCCC(C(=O)O)=C(Cl)c1ccc(-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.