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 anti biotic and belongs to the anti bacterial class of molecules. Please represent the molecule in SMILES.
user
CC=CCNc1ncc(N(C(N)=O)C(C(=O)NC2C(=O)N3C(C(=O)[O-])=C(COC(N)=O)CSC23)c2ccc(O)cc2)c(=O)[nH]1.[Na+]
assistant