O=C(CC(=O)N(C(=O)/C=C\c1ccccc1)c1ccc(Cl)cc1)N1N=C(c2ccccc2)C(/N=N/c2cccc([N+](=O)[O-])c2)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?