You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a tachykinin receptor antagonist and belongs to the tachykinin antagonist class of molecules.
user
Cc1ccc(C2(CCN3CCN(C4CCCCC4)CC3)CCCN(C(=O)Cc3cccc(OC(C)C)c3)C2)cc1C
assistant