COc1ccc(NC(=O)N(C)C[C@@H]2Oc3c(NC(=O)Nc4c(C)noc4C)cccc3C(=O)N([C@@H](C)CO)C[C@@H]2C)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?