CC(C)[C@@H]1CN=C(N)N1C[C@@H]1CCCN1C[C@H](C)N1C[C@@H](Cc2ccccc2)N(CCc2ccc(Cl)c(Cl)c2)C1=N
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?