CCCCCC(O)C1C(=O)OC(C)C(O)/C=C\C=C/C=C\C=C/C=C(/C)C(O)C(O)C(O)CC(O)CC(O)CC(O)CC(O)CC1O
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?