CC(=O)c1ccc(NC(=O)/C(Cc2ccccn2)=N/NC(=O)C[N+](C)(C)C)cc1.[Cl-]
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?