C=C1C[C@@H]2O[C@H]3[C@H]4[C@@H](C[C@@H](C)[C@@H](OC(C)=O)[C@@H]24)[C@@H](C)CO[C@@]3(C)[C@H](OC(C)=O)C[C@H]1O
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?