C/C(=N\N=C(N)N)c1c(C(=O)OCCCCCCOC(=O)c2nc3sccn3c2/C(C)=N/N=C(N)N)nc2sccn12
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?