You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is c5a receptor modulator.
user
COc1ccccc1C1CCCCN1CC(=O)N(Cc1ccccc1F)C1Cc2ccccc2C1
assistant