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 viral. Please write the SMILES representation of it.
user
Nc1ncnc2c1ncn2C1(O)COC(CNC(=O)C23CC4CC(CC(C4)C2)C3)C1O
assistant