COc1ccc2[nH]c3c(C)c4ccnc(NCCCN(C)CCCNC(=O)NCCCN(C)CCCNc5nccc6c(C)c7[nH]c8ccc(OC)cc8c7c(C)c56)c4c(C)c3c2c1.O=C(O)C(F)(F)F
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?