CC1=C(C2=C(C)C(C(C)C)C3=C(C(=O)C(O)C3O)C2O)C(O)C2=C(C(O)C(O)C2=O)C1C(C)C
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?