Using CCOC(=O)C(CC)(CC)P(=O)=O, O=C1CCC(c2ccc(O)cc2)CC1 to produce CCOC(=O)C=C1CCC(c2ccc(O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.