Using CCOP(=O)(OCC)C(Cl)(Cl)Cl, CCOC(=O)C1C(C=O)C1(C)C to produce CCOC(=O)C1C(C=C(Cl)Cl)C1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.