C=C1CCCC(C)(C)[C@@H]1CC/C(C)=C/Cn1c2cccc(=O)c-2nc2ccccc21
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?