CCOC(=O)[C@@H]1ON2OC(OC3CCCC3(c3ccccc3)c3ccccc3)C(OC(C)=O)[C@H]3OC(=O)[C@@H]1C32
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?