COCOCCn1cc(CN2CCS(=O)(=O)N(Cc3ccc(-c4ccc(Cl)nc4)cc3)C(CC(C)C)C2=O)nn1
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?