CC1=NN(C(=O)CC(=O)N(C(=O)c2ccccc2)c2ccc(Cl)cc2)C(=O)C1/N=N/c1ccc([N+](=O)[O-])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?