You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is anti viral. Please represent the molecule in SMILES.
user
CC1(c2ccc3c(N)ncnn23)OC(COP(=O)(O)OP(=O)(O)CP(=O)(O)O)C(O)C1F
assistant