Using CCOC(=O)C(=O)c1ccc(OCC(=O)C2CCCCCCC2)cc1 to produce O=C(O)C(=O)c1ccc(OCC(=O)C2CCCCCCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.