Cc1cc2c(c(=O)n1Cc1cccnc1)C(Cc1ccccc1)C(C#N)=C(N)O2
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?