C[C@H]1CN([C@@H](C)CO)C(=O)c2cc(NS(=O)(=O)c3ccc(Cl)cc3)ccc2O[C@@H]1CN(C)CC1CCCCC1
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?