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