You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a ret kinase inhibitor that impacts cancer treatment. Please represent the molecule in SMILES.
user
CC(c1ccc(-n2cc(F)cn2)nc1)N(C)c1ccc(-c2cc(OCCF)cn3ncc(C#N)c23)cn1
assistant