Cc1nc(-c2ccc(/N=C/c3ccc(N(CCOS(C)(=O)=O)CCOS(C)(=O)=O)cc3C)cc2)cs1.Cl
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?