CCOC(=O)N1CCN(C(=O)CSC2=NS(=O)(=O)c3cc(Cl)ccc3N2)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?