COc1ccc(/N=C2\S/C(=N\C(=N\c3ccccc3)SCc3ccccc3)N(c3ccccc3)\C2=N/c2ccc(OC)cc2)cc1
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?