Using CCOC(=O)CC(=O)O, CC(C)(O)C(=O)c1ccc(S(C)(=O)=O)cc1 to produce CCOC(=O)C1=C(c2ccc(S(C)(=O)=O)cc2)C(C)(C)OC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.