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 hcv polymerase inhibitor. Please write the SMILES representation of it.
user
CCCC1(CCC)C(=O)C(C2=NS(O)(O)c3cc(N)ccc3N2)=C(O)c2cc(F)ccc21
assistant