You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a serotonin antagonist. Please represent the molecule in SMILES.
user
CCN1CCN(c2nc(-c3ccc(OCCO)cc3)cc3cc(F)ccc23)CC1.Cl.Cl
assistant