CC[N+]1(C)[C@H]2CC[C@@H]1CC(OC(=O)[C@H]1CC[C@@](C(=O)OC3C[C@@H]4CC[C@H](C3)[N+]4(C)CC)(c3ccccc3)c3ccccc31)C2
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?