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 based on this description: The molecule is a serotonin antagonist and belongs to the serotonin agonist class of molecules.
user
CCCCc1ccc(-c2cc3c4c(c2)C2CNCCC2N4CCCS3)cc1
assistant