You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a integrin antagonist.
user
NC(=O)NC(N)=Nc1cccc(S(=O)(=O)Nc2cccc(C(CC(=O)O)c3cc(F)cc(F)c3)c2)c1
assistant