CCN1CCN(c2ccc(Nc3ncc(Cl)c(Nc4ccc(O)c(NC(C)=O)c4)n3)cc2)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?