COc1ccc(-c2ccc3nnc(SCC(=O)Nc4ccc(NC(C)=O)cc4)n3n2)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?