Using [OH-], CCCCCC1C(=O)Oc2c(Oc3ccccc3C)cccc21 to produce CCCCCC(C(=O)O)c1cccc(Oc2ccccc2C)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.