CC(=O)O[C@H]1C[C@H]2CC[C@H]3[C@H](CC[C@@]4(C)[C@H](OC(C)=O)[C@H]([N+]5(C)CCCCC5)C[C@H]34)[C@@]2(C)C[C@@H]1[N+]1(C)CCCCC1
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?