CC[C@@H](c1ccccc1)n1c(=O)n2n(c1=O)[C@@H]1[C@H](CC2)C(=O)[C@@H]2O[C@@H]2[C@H]1O
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?