You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the integrin antagonist class of molecules. Please write the SMILES representation of it.
user
O=C(O)CC1c2ccccc2C(=O)N(CC(=O)NCc2ccc(-c3nc4ccccc4[nH]3)nc2)c2ccccc21
assistant