Cn1cc(-c2cnc(N)c3c(-c4ccc(NC(=O)Nc5cccc(F)c5)cc4)csc23)cn1
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?