CC(C)c1cc(C(C)C)c(S(=O)(=O)N2c3ccccc3[C@@]3(Br)C[C@H]4C(=O)N[C@@H](Cc5ccccc5)C(=O)N4[C@@H]23)c(C(C)C)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?