Using CCCCCC(O)C=CC1CCC2(OCCO2)C1C(CCCCC)C(=O)OC to produce CCCCCC(O)C=CC1CCC2(OCCO2)C1C(CCCCC)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.