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: The molecule is a anti bacterial.
user
O=C(N=C(NCCC(O)C(=O)NC1CC(NC(=O)OCc2ccccc2)C(OC2OC(CNC(=O)OCc3ccccc3)C=CC2NC(=O)OCc2ccccc2)C(OC2OC(CO)C(OC3OC(CNC(=O)OCc4ccccc4)C=CC3NC(=O)OCc3ccccc3)C2O)C1O)NC(=O)OCc1ccccc1)OCc1ccccc1
assistant