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 member of the anti body class. Please represent the molecule in SMILES.
user
NC(=O)NCCCC(NC(=O)C1(C(=O)NCCCCCN2C(=O)C=CC2=O)CCC1)C(=O)Nc1ccc(COC(=O)Oc2ccc([N+](=O)[O-])cc2)cc1
assistant