You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a ret kinase inhibitor that impacts tumor treatment.
user
Cc1ccc(Oc2nc(-c3cccnc3)nc3nn(C)cc23)cc1C(=O)Nc1ccc(CN2CCN(C)CC2)c(C(F)(F)F)c1
assistant