You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a anti bacterial. Please write the SMILES representation of it.
user
CN(C(=O)OC(C)(C)C)C1C(O)C(OC2C(NC(=O)C(O)CNC(=O)OC(C)(C)C)CC(NC(=O)OC(C)(C)C)C(C3OC(CNCC(C)(C)CNC(=O)OC(C)(C)C)=CCC3NC(=O)OC(C)(C)C)C2O)CCC1(C)O
assistant