COc1ccc2c(c1)[n+]([O-])c(C(=O)C/C(=N/OCCCc1ccccc1)C(=O)NC13CC4CC(CC(C4)C1)C3)c(C)[n+]2[O-]
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?