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 cancer.
user
O=C(O)CCCNc1cc(CO)cc(Nc2c3ccccc3nc3ccccc23)c1
assistant