You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a fgfr4 inhibitor.
user
COc1cc(OC)c(Cl)c(-c2cc3cnc(Nc4c(C)cccc4N)nc3n(CC3CN(C(=O)C=CCN(C)C)C3)c2=O)c1Cl
assistant