CC(CO)[C@H]1OC(=O)C=C2[C@@]3(C)C[C@@H]4O[C@@H]4[C@]4(C)C(=O)O[C@@H]([C@H]34)[C@H]3O[C@]213
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?