Cc1ccc(C)c(Nc2nn3c(=O)c4ccc(C(=O)NCc5cccnc5)cc4nc3s2)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?