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: It belongs to the serotonin agonist class of molecules. Please represent the molecule in SMILES.
user
CC(O[Si](C)(C)C(C)(C)C)C1=CCc2c(Cl)ccc(Br)c21
assistant