Br.CCOc1ccc(C2=CS/C(=C(\C#N)c3nnc4n3CCCCC4)N2CC)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?