O=C(O)C1=C[C@H](c2ccc(F)cc2)C[C@H](OCc2ccc(CO)cc2)O1
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?