CC1(C)NC(=O)N(CC(=O)OCC(=O)Nc2cc(S(=O)(=O)N3CCCCCC3)ccc2Cl)C1=O
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?