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 protein kinase inhibitor and belongs to the anti proliferative class of molecules. Use the above information to create a molecule.
user
NCCC1CCCN(c2ccccc2NC(=O)c2csc(N3CCC(C(N)=O)CC3)n2)C1
assistant