You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a anti tumoral. Please represent the molecule in SMILES.
user
COCOc1c(OC)c(C)cc2c1C1C3Cc4c(O)c(C)c5c(c4C(CNC(=O)C(C)NC(=O)OC(C)(C)C)N3C(C#N)C(C2)N1C)OCO5
assistant