You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to both the serotonin agonist and serotonin antagonist classes of molecules.
user
O=C(O)N1CCC2C(C1)c1cc(-c3ccc(F)c(F)c3)cc3c1N2CCC3
assistant