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: It belongs to the c5a receptor modulator class of molecules.
user
CCCCN(Cc1ccc(C(N)=O)c(O)c1)Cc1c(-c2ccccc2)nc(-c2ccccc2)n1CCCC
assistant