You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the histamine h3 receptor modulator class of molecules.
user
O=C(C=CN1CCN(C2CCCCC2)CC1)c1ccc(F)c(C(F)(F)F)c1
assistant