You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a tyrosine kinase inhibitor. Please represent the molecule in SMILES.
user
COC(=O)c1ccc2c(c1)ncn2-c1ccnc(NCCc2ccccc2)n1
assistant