Cc1ccc(S(=O)(=O)Oc2ccc(/C=C3\C(=N)N4N=C(S(C)(=O)=O)SC4=NC3=O)cc2)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?