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 plasma kallikrein inhibitor.
user
Cc1cnn(Cc2ccc3c(c2)N=Cc2cc(C(=O)NCc4c(C)cc(N)nc4C)cn2C3)c1
assistant