CN1c2ccc(Cl)cc2-c2nc(SCC(=O)Nc3cc(F)ccc3F)ncc2S1(=O)=O
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?