You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a anti obesity member of the npy y5 antagonist class.
user
O=CNc1ccc(NC2=CCCC=C2)cc1
assistant