Using O=C1CC(c2ccccc2)c2cc(Cl)ccc2O1, COS(=O)(=O)OC to produce COc1ccc(Cl)cc1C(CC(=O)O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.