CCOc1ccc(N/C(Cl)=C(Cl)\C(=C(\Nc2ccc(OCC)cc2)n2nnc3ccccc32)[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?