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 based on this description: The molecule is a tachykinin antagonist.
user
CC(C)(C)OC(=O)N1CCCC(N(C(=O)Cc2cc(-c3ccccn3)cc3ccoc23)C(=O)OC(C)(C)C)C1c1ccccc1
assistant