Using CCCCCC(=O)C=C[C@H]1CCC(=O)[C@@H]1CCCCCCC(=O)OC, OCCO to produce CCCCCC(O)C=C[C@H]1CC2OCCOC2[C@@H]1CCCCCCC(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.