NCCNC(=O)Cc1cccc(NC(=O)Cc2ccc(Nc3ncnc4c3ncn4[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)cc2)c1
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?