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 a factor xia inhibitor.
user
CC1CCCC(N2CCC(c3c(C(F)(F)F)ccc(Cl)c3F)=CC2=O)c2cc(ccn2)-c2c(cnn2C2CC2)NC1=O
assistant