COP(=O)(OC)C(=O)N1N(c2ccc([N+](=O)[O-])cc2)C(=O)C(C)NC1(NNc1ccc([N+](=O)[O-])cc1)P(=O)(OC)OC
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?