O=C(c1ccc2c(c1)N(Cc1cccc(Cl)c1)C(=O)c1ccccc1[S+]2[O-])N1CCN(c2cccc(C(F)(F)F)c2)CC1
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?