CC1(C)[C@@H]2CC[C@@](C)(C2)[C@H]1OC(=O)c1ccccc1C(=O)O
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?