O=C(C1=C[C@@H](c2ccccc2)C[C@@H](OCc2ccc(CO)cc2)O1)N1CCCCCCC1
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?