C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)Cn3cc(CCO)nn3)CC2)nc(N2CCN(C(=O)[C@H](CCCCN)n3cc(CC(C)O)nn3)CC2)n1.Cl
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?