COc1cc2c(cc1OC)CN(CCC(C)c1ccc(Cl)cc1)CC2.O=C(O)/C=C\C(=O)O
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?