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 a anti tumor and is anti tumour. Please write the SMILES representation of it.
user
CC(=O)C1(O)CCC2C3=CC=C4C=C(O)CCC4(C)C3CCC21C
assistant