Using CCCCC(O)C(C(=O)OCc1ccccc1)c1ccc2c(c1)OCCO2 to produce CCCCC(O)C(C(=O)O)c1ccc2c(c1)OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.