Cc1ccc(C)c(N2N=C(C(=O)Nc3ccccc3N3CCCC3)CCC2=O)c1
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?