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 integrin antagonist.
user
CC(C)(C)OC(=O)N1CCCN(C(=O)OC(C)(C)C)C1=Nc1cccc(C(=O)NCC(=O)O)c1
assistant