O=C1[C@H]2C(c3ccc(Cl)cc3Cl)N(c3ccccc3)O[C@H]2C(=O)N1c1ccc(Cc2ccc(N3C(=O)[C@H]4ON(c5ccccc5)C(c5ccc(Cl)cc5Cl)[C@H]4C3=O)cc2)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?