You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a anti neoplastic agent.
user
CC(O)C1C(=O)N2C(C(=O)O)=C(SC3CNC(C(=O)Nc4cccc(C(=O)O)c4)C3)C(C)C12
assistant