Cc1ccc(S(=O)(=O)N2C[C@@H](C)[C@]3(C2)[C@H](O)[C@H](OC(=O)Nc2cccs2)C[C@H]2C(=O)N(c4ccccc4)C(=O)[C@H]23)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?