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: It belongs to the mdm2 antagonist class of molecules. Please represent the molecule in SMILES.
user
CC(C)(C)CC1NC(C(=O)NCCC(C)(O)CO)C(c2cccc(Cl)c2F)C12C(=O)Nc1cc(Cl)ccc12
assistant