COc1ccc(NC(=O)CSC2=Nc3ccccc3C3=NC(CCC(=O)NC4CCCCC4)C(=O)N23)cc1Cl
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?