NC(=O)CC[C@@H]1NC(=O)C(Cc2ccc(O)cc2)NC(=O)c2cc([N+](=O)[O-])cc(F)c2NCCC[C@@H](C(N)=O)NC1=O
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?