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 integrin antagonist. Please represent the molecule in SMILES.
user
COc1ccc(C(CC(=O)O)c2ncc(CCCc3ccc4c(n3)NCCC4)s2)cc1F
assistant