C/C=C/c1ccc2c(c1)O[C@@H](CN(C)C(=O)c1ccc(F)cc1)[C@@H](C)CN([C@H](C)CO)S2(=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?