Using CCOC(=O)Cc1ccc(OCC)cc1, CS(=O)(=O)c1ccc(C(=O)O)cc1 to produce CCOC(=O)C(C(=O)c1ccc(S(C)(=O)=O)cc1)c1ccc(OCC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.