C=C1C(=O)O[C@@H]2[C@H]1C[C@H](I)[C@@]1(C)CC[C@H](O1)[C@](C)(I)CCC[C@@H](C)[C@@H]2O
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?