CC(C)C1=C(Cc2ccccc2)C(=O)O/C1=C\c1cc(Cl)c(O)c(Cl)c1
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?