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 cb2 agonist class of molecules. Please represent the molecule in SMILES.
user
Cc1c(C(=O)c2ccc(Br)c3ccccc23)c2cccc(C(F)(F)F)c2n1CCN1CCOCC1
assistant