N#CCc1c(C#N)c(N)nc(N2CCN(S(=O)(=O)c3ccccc3)CC2)c1C#N
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?