C[C@H]1CN([C@H](C)CO)S(=O)(=O)c2ccc(Br)cc2O[C@H]1CN(C)S(=O)(=O)c1cccc(F)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?