Cc1ccc(O)c(-c2csc(NCN3CCN(CNc4nc(-c5cc(C)ccc5O)cs4)CC3)n2)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?