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 anti tumor.
user
CCc1nc2c(F)cc(NC(C)(C)C(=O)O)cc2c(=O)[nH]1
assistant