C#CCN(C[C@@H]1[C@@H](OC(=O)NCc2ccccc2)[C@@H](OC(=O)NCc2ccccc2)CN(C(=O)OC(C)C)N1C(=O)OC(C)C)S(=O)(=O)c1ccc(C)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?