CO[C@@H]1C[C@H]2[C@@H]3CC[C@H]([C@H](C)CO)[C@@]3(C)CC[C@@H]2[C@@]2(C)CC[C@H]3C[C@]312
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?