You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the anti biotic class of molecules.
user
COC(=O)CC(=O)CC1(C(=O)C(C)=O)NC(=O)C1N1C(=O)c2ccccc2C1=O
assistant