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 ra inhibitor. Please represent the molecule in SMILES.
user
Oc1cc(-c2c(Cl)cc3c(N4CCNCC4)nc(OCCN4CC(F)(F)C4)nc3c2F)c2ccccc2c1
assistant