COc1ccc(NC(=O)c2sc3nc(N4CCCC4)c4c(c3c2N)CC(C)(C)OC4)c(OC)c1
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?