CC(C)OP(=O)(OC(C)C)/C(=N/Nc1ccc([N+](=O)[O-])cc1)NCCN/C(=N\Nc1ccc([N+](=O)[O-])cc1)P(=O)(OC(C)C)OC(C)C
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?