CC(=O)Nc1ccc(NC(=O)C(C)Sc2n[nH]c(-c3ccc(C)cc3)n2)cc1
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?