COc1cc(C(C(=O)NC2CCCC2)N(Cc2ccccc2)C(=O)c2snc(C(N)=O)c2N)ccc1O
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?