COc1ccc(-c2nn3c(=O)cc(CN4CCN(C(=O)c5ccc(OC)c(OC)c5)CC4)nc3s2)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?