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 tumor.
user
COC(=O)NC1=C2C#CC=CC#CC(OC3OC(C)C(SC)(C(=O)c4nccc5c4[nH]c4c(I)cccc45)C(O)C3OC3CC(OC)C(NC(C)C)CO3)C2C(=CCS(C)(=S)=S)C(O)CC1=O
assistant