CCN(CC(=O)Nc1ccc(NC(C)=O)cc1)C(=O)c1ccc(N2CCC(C)CC2)c([N+](=O)[O-])c1
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?