COc1ccc(NC(=S)N/N=C(\C)c2cccc(/C(C)=N/NC(=S)Nc3ccc(OC)cc3)n2)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?