You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a ret kinase inhibitor and is cancer treatment.
user
CC(C)(C)n1nc(-c2cc3ccc(OC(N)=O)cc3[nH]2)c2c(N)ncnc21
assistant