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 adenosine antagonist. Please represent the molecule in SMILES.
user
Nc1nc(-c2ccccc2)c(-c2ccc3ncccc3c2)nc1C(=O)NCc1ccn[nH]1
assistant