CC1=C[C@H]2C[C@@]3(C)OC([C@]4(C)CC[C@H]([C@@H](C)C(=O)O)OO4)CC3C(C)(C)[C@H]2CC1
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?