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): The molecule is a tachykinin antagonist.
user
COc1cc(C(=O)N2CCC(CCCS(=O)(=O)O)(C3=COC(Cc4ccccc4)O3)C2)cc(OC)c1OC
assistant