C=CCN1C[C@H](C)N([C@@H](c2ccc(C(=O)N3CCCCC3)cc2)c2cccc(OC)c2)C[C@H]1C.O=C(O)C(=O)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?