O=C(COC(=O)[C@@H]1CC(O)CN1S(=O)(=O)c1ccc2c(c1)OCCO2)NCc1ccc(F)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?