CCc1ccc(NC(=O)[C@H](Cc2c[nH]c3ccccc23)NC(=O)[C@@H]2Cc3ccccc3CN2)cc1
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?