You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a tyrosine kinase inhibitor and is cancer treatment.
user
COCC(=O)NCC#Cc1ccc2ncnc(Nc3ccc(Oc4cnc(C)nc4)c(C)c3)c2c1
assistant