CCOC(=O)N/N=C1/C[C@@H](O)[C@@H](O)[C@H]2[C@@H]1CC[C@H]1C(=O)N(c3ccc(F)cc3F)C(=O)[C@H]21
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?