COc1ccc(NC(=O)N(C)C[C@H]2Oc3ccc(NC(=O)Nc4c(C)noc4C)cc3C(=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. How many bonds in the molecule are rotatable?