C=CCN1C[C@H](C)N([C@H](c2ccc(C(=O)NC(CC)CC)cc2)c2cccc(OC)c2)C[C@H]1C.Cl
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?