COc1ccc(CC(NC(C)=O)C(=O)NC2CCN(C(=O)Nc3ccc(C#N)cc3)CC2)cc1OC
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?