Oc1ccc(C[C@H]2CN([C@@H](Cc3cccc(O)c3)CN3CCC[C@@H]3CN3C(=S)NC[C@@H]3Cc3ccccc3)C(=S)N2CC2CCCCC2)cc1
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?