C=C1C2[C@H](OC(C)=O)[C@@H]3CC(=O)[C@@]4(C)OC[C@@]3(C)[C@]4(O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@]2(COC(=O)c2ccccc2)[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?