COc1ccc(-c2ccc(/C=C3\C(=O)N(c4ccccc4)N=C3c3ccccc3)o2)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?