COc1ccc(N(C(=O)CNC(=O)c2cccs2)C(C(=O)NC2CCCC2)c2cccnc2)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?