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 cancer treatment.
user
CC(=O)Nc1cccc(-c2cc(-c3ccc(Oc4ccccn4)cc3F)cc3cncnc23)c1
assistant