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
COc1cc2c(cc1O)CCNC2(C)C(=O)OCC1c2c3c(c(C)c(OC(C)=O)c2C(SC)C2C4c5c(cc(C)c(OC)c5O)CC(C(O)N12)N4C)OCO3
assistant