You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a tachykinin antagonist and belongs to the cns disorder treatment class of molecules.
user
c1ccc(C2(COCc3cncc(-c4ccco4)c3)CCNCC2)cc1
assistant