Cc1ccc(-c2csc(N3CCN(S(=O)(=O)c4ccc5c(c4)NC(=O)CO5)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?