You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is c5a receptor modulator.
user
CCCCn1c(-c2ccccc2)nc(-c2ccccc2)c1CN(Cc1ccccc1)Cc1cc(Cl)c(OC)c(Cl)c1
assistant