Using Cc1ccc(S(=O)(=O)OCCCc2cccc(Cl)c2)cc1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(CCCc1cccc(Cl)c1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.