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 tumor treatment. Use the above information to create a molecule.
user
COC(=O)C=Cc1cnc(-c2cccc(Cn3nnc4ncc(-c5cnn(C)c5)nc43)c2)nc1
assistant