CC(=O)O[C@@H]1[C@H]2CC[C@@H]3[C@]1(C[C@@H](OC(C)=O)[C@@]1(O)C([C@@H]4O[C@@H]4C1(C)C)[C@]3(C)O)C[C@@]2(C)O
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?