CC(C)C(C(=O)N1CCC[C@@H]1C(=O)OCc1ccccc1)N(C)C(=O)C(C(C)C)N(C)C(=O)[C@H](Cc1ccccc1)N(C)C(=O)[C@H](NC(=O)OC(C)(C)C)C(C)C
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?