CO[C@@H](C)[C@](O)(C(=O)OCC1=CCN2CC[C@@H](O)[C@H]12)C(C)C
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?