You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a tyrosine kinase inhibitor and is both anti proliferative and belongs to the anti cancer and anti cancer agent classes of molecules.
user
CS(=O)(=O)CCN1CCN(Cc2ccn3ncnc(Nc4ccc5c(cnn5Cc5cccc(F)c5)c4)c23)CC1
assistant