You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a ido inhibitor.
user
O=CN1CC2CC(Nc3nonc3-c3noc(=O)n3-c3ccc(F)c(Br)c3)CC2C1
assistant