CCn1nc(C)c(/C=C2\CCCC3=C2OC(N)=C(C#N)C3c2c(C)nn(CC)c2C)c1C
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?