CCC(CC)C1=NN2C(=N)/C(=C\c3cc(C)n(-c4cccc(C)c4)c3C)C(=O)N=C2S1
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?