You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the tumor treatment class of molecules. Please write the SMILES representation of it.
user
CC(=O)OCC1OC(OCCOP(=O)(OCCC#N)OCC2SC(n3ccc(NC(=O)c4ccccc4)nc3=O)C(F)C2OC(=O)c2ccccc2)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O
assistant