CN1CCN(c2ccc3nc(C4=C(O)C(=O)c5c(nc(CO)n5C)C4=O)[nH]c3n2)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?