You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a anti tumor agent and belongs to the anti tumor class of molecules. Please write the SMILES representation of it.
user
CN1CCc2cc(C(=O)Nc3cn(Cc4cccc(C(F)(F)F)c4)cn3)ccc2C1
assistant