CCOc1ccc(-c2nc3c(c(CC)nn3-c3ccccc3)c3cc(OC)c(OC)cc23)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?