You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is c5a receptor modulator.
user
COc1ccc(C2CC(=O)C3=C(C2)NC(C)=C(C(=O)OCc2ccccc2)C3c2cccs2)cc1OC
assistant