c1ccc(SCc2cn(C[C@H]3CC[C@@H]([C@@H]4CC[C@H](Cn5cc(CSc6ccccc6)nn5)O4)O3)nn2)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?