CC[C@H]1C=CCC[C@@]2(C[C@@H]3CC[C@@H]4[C@H](C(=O)OCCCCCCCCCCCCCCCC(=O)N(CCCN)CCCCN)[C@]5(CCC[C@@H](C)O5)NC(=[N+]34)N2)O1.O=C[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?