CCN1C(=O)/C(=C\c2ccc(-c3ccc([N+](=O)[O-])cc3OC)o2)S/C1=N\c1cccc(C(=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?