CO[C@@H]1COC(=O)[C@H]2CCCN2C(=O)C/C=C\[C@H](C)[C@@H](OC)COC(=O)C/C=C\[C@H]1C
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?