C=C1C(=O)O[C@H]2[C@@H](C)CCC/C(C)=C\CC[C@@](C)(O)[C@@H]3C[C@@H]1[C@H]2O3
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?