CS(=O)(=O)OCCN1CCN(C(=O)c2cccc3c(Nc4ccc(S(=O)(=O)N=C(N)N)cc4)c4ccccc4nc23)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?