CC1(C)[C@H]2CC[C@@]13C(=O)N1C(=O)O[C@@H]([C@H]1Cl)C(Cl)(COCc1ccccc1)C(=O)OCCO[C@H]3C2
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?