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 receptor antagonist.
user
CC(=O)N1CCC(OCc2cc(F)cc(C(F)(F)F)c2)C(C(c2ccccc2)c2ccccc2)C1
assistant