You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a c5a receptor modulator.
user
CCCCn1c(CN(Cc2ccc(OC(F)F)cc2)Cc2cccc(C)c2)cnc1-c1ccccc1
assistant