You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a adenosine antagonist.
user
Cn1cnc(CNc2nc(-c3ccn(C)n3)c(-c3cc(Cl)c4ncccc4c3)nc2C#N)c1
assistant