O=C(c1cc(Cl)cc(Cl)c1)N(Cc1cccnc1)C(=S)N(Cc1cccnc1)C(=O)c1cc(Cl)cc(Cl)c1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?