CN1C(=O)[C@@H](NC(=O)c2ccc(I)cc2)N=C(c2ccccc2F)c2ccccc21
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?