COc1ccc(-c2nc(Cn3c(SCc4cccc(C(F)(F)F)c4)nc4cccnc43)c(C)o2)cc1OC
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?