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
CC(C)(C)OC(=O)C1CC2(c3ccccc3)N(Cc3ccccc3)C1CCC21C=CCO1
assistant