O=c1[nH]/c(=C/c2ccc(OCc3ccccc3)cn2)c(=O)[nH]/c1=C/c1ccc(Cl)cc1
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?