COc1ccccc1N(C(=O)c1snc(C(N)=O)c1N)C(C(=O)NC1CCCCC1)c1ccco1
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?