N#Cc1c(N2C(=O)[C@@H]3C(CC(N)=O)NC4(C(=O)Nc5ccc(Cl)cc54)[C@@H]3C2=O)sc2c1CCCC2
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?