Cc1cc(C)c(C2C(C#N)=C(N)Oc3[nH]nc(C)c32)cc1CN1CCOCC1
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?