Cc1c(C(=O)N2CCC3(CC2)OCCO3)sc2ncnc(N3CCN(c4ccccn4)CC3)c12
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?