NC1=NN(c2ccccc2)C(=O)C1/C(=N\NC(=O)c1cc2ccccc2cc1O)C(=O)Nc1nc([N+](=O)[O-])cs1
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?