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: The molecule is anti tumor. Please write the SMILES representation of it.
user
COC(=O)C(C)=CCC1(O)C(=O)CCC2C(N3CCN(C)CC3)C3C(=O)c4c(OC5OC6COC(C)(C)OC6C(O)C5O)c5c(c(CC=C(C)C)c4OC31C2C(C)C)OC(C)(CCC=C(C)C)C=C5
assistant