Cc1ccccc1S(=O)(=O)N1[C@H](c2ccc(Cl)cc2)CC=C(C(=O)O)[C@@H]1c1ccccc1
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?