You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the anti bacterial class of molecules.
user
O=[N+]([O-])c1cn2c(n1)OCC(OCC=CBr)C2
assistant