COc1ccc(-c2nc3c(c4c2C[C@H](c2ccccc2)OC4)CN(S(=O)(=O)c2ccc(C#N)cc2)CC3)c(C)c1
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?