CC(C)(C)C(=O)O[C@H]1CC[C@@]2(C)C(=CC(=O)C3C4C[C@@H](O)C(=O)[C@@]4(C)CCC32)C1
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?