You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a adenosine antagonist.
user
Cn1ccc(-c2nc(N)c(SC3CCC3)nc2-c2cc(Cl)c3ncc(Cn4ccc(-c5nc(N)c(SC6CC6)nc5-c5cc(Cl)c6ncccc6c5)n4)cc3c2)n1
assistant