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 fgfr4 inhibitor and is cancer treatment.
user
COc1cc(OC)c(F)c(COc2cnc(NC(=O)N3CCCc4ccc(C(OC)OC)nc43)nc2)c1C
assistant