Cc1sc2nc(-c3ccc(Cl)c([N+](=O)[O-])c3)c(/C=N/NC(=N)N)n2c1C.Cl
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?