CC(C)(C)c1ccnc(/N=C2\[N-]/C(=N\c3cc(C(C)(C)C)ccn3)c3ccccc32)c1.[K+]
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?