CCc1ccc(CN(Cc2c[nH]nc2-c2ccc(OC)cc2)C(=O)Nc2cc(Cl)ccc2OC)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?