You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a tachykinin antagonist.
user
NC1(C(=O)NCCNC(=O)C(Cc2ccccc2)NC(=O)C2(NC(=O)Oc3cc4ccccc4s3)CCCC2)CCCCC1
assistant