Using OCc1cccc(Oc2ccccc2)c1, CC1(C)C(Cl)C(=O)C1CC(Cl)(Cl)Cl to produce CC1(C)C(C=C(Cl)Cl)C1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.