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.
user
CC(C)N1CCC(CNC(=O)C(Cc2ccccc2)NC(=O)C2(NC(=O)Oc3cc4ccccc4s3)CCCC2)CC1
assistant