You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the tachykinin antagonist class of molecules.
user
CN(C)C(=O)Oc1cccc(C(=O)N2Cc3c([nH]c4cc(Cl)ccc4c3=O)C(=O)N2)c1
assistant