CCN(CC)CCO/N=C1\CC[C@H]2[C@@H]3CCc4cc(OC)ccc4[C@H]3CC[C@]12C.Cl
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?