COc1ccc(NC(=O)Nc2ccc3c(c2)C(=O)N([C@@H](C)CO)C[C@@H](C)[C@@H](CN(C)S(=O)(=O)c2cccs2)O3)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?