C[C@H]1CCCCO[C@@H](CN(C)S(=O)(=O)c2ccc(F)cc2)[C@H](C)CN([C@@H](C)COC(=O)C(C)(C)C)C(=O)c2cc(NC(=O)Nc3ccccc3)ccc2O1
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?