CC(C)(C)[C@H]1C=C(C(=O)NCc2nc3ccccc3[nH]2)O[C@@H](OCCCCO)C1
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?