CC(=O)Nc1ccc(S(=O)(=O)O)c2c1C(=O)/C(=N\Nc1ccc(/N=N/c3ccc(S(=O)(=O)O)cc3)c3ccc(S(=O)(=O)O)cc13)C(S(=O)(=O)O)=C2
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?