Cc1cccc(N2C(=O)CS(=O)(=O)C23C(=O)N(Cc2c(F)cccc2Cl)c2ccccc23)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?