CC(=O)OC[C@]12CC[C@@H]3[C@@]4(C)CCCC(C)(C)[C@@H]4CC[C@@]3(C)[C@@H]1C[C@H](C1=CC(=O)O[C@@H]1OC(C)=O)O2
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?