Cc1ccc(-c2cn3c(n2)sc2cc(C(=O)NCCC4=CCCCC4)ccc23)c(C)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?