You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a mdm2 antagonist.
user
CC1(CC2NC(C(=O)NCCC(O)C(C)(C)O)C(c3cccc(Cl)c3F)C2N)CCCCC1
assistant