You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a nutrient and a bitter, belonging to the anti viral class of molecules. Use the above information to create a molecule.
user
O=C(C=Cc1ccc(O)cc1)OC1C(c2c(OC3OC(CO)C(O)C(O)C3O)cc(O)c3c(=O)cc(-c4ccc(O)cc4)oc23)OC(CO)C(O)C1O
assistant