CCn1c(CN2CCC(C)CC2)nc2cc(NC(=O)COc3ccc(Cl)c(C)c3)ccc21
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?