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 anti tumor agent and belongs to the anti tumor class of molecules, with the characteristic of being cancer treatment.
user
C=Cc1nc[nH]c1C(C)(C)C=C
assistant