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: It belongs to the tachykinin receptor antagonist class of molecules.
user
CN(C(=O)c1ccc(Cl)cc1)C1CCN(c2cc(C#N)ccn2)CC1c1ccc(Cl)c(Cl)c1
assistant