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 histone demethylase inhibitor and belongs to the cancer treatment class of molecules.
user
O=c1c2ccncc2nc2c3cc(F)ccc3n(C3CCOC3)n12
assistant