You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the tachykinin receptor antagonist class of molecules.
user
CCOC(=O)CN1CCN(C(=O)NC2(c3ccncc3)CCN(CCC3(c4ccc(Cl)c(Cl)c4)CCN(C(=O)c4ccccc4)C3)CC2)CC1
assistant