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 factor xia inhibitor.
user
CC1CCCC(n2cnc(-c3cc(Cl)ccc3-n3cc(Cl)nn3)cc2=O)c2cc(ccn2)-c2ccc(C(F)F)cc2NC1=O
assistant