You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a tyrosine kinase inhibitor and is cancer treatment. Use the above information to create a molecule.
user
CS(=O)(=O)CC(=O)NCCn1ccc2ncnc(Nc3ccc(Oc4cccc(F)c4)c(Cl)c3)c21
assistant