You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is both a factor xia inhibitor and a anti coagulant. Please write the SMILES representation of it.
user
CCC(NC(=O)N1C(=O)C(Cc2cc(C)nc(N)c2)C1C(=O)N(C)c1nccn1C)c1cc(C)ccc1F
assistant