Which treatment of hepatis C, identified as {C1=NC(=NN1C2C(C(C(O2)CO)O)O)C(=O)N},  is represented by smiles?
SELECT ?answer WHERE { wd:/hepatitis C/ wdt:/drug or therapy used for treatment/ ?answer . ?answer wdt:/canonical SMILES/ ?x FILTER(contains(?x,'C1=NC(=NN1C2C(C(C(O2)CO)O)O)C(=O)N'))}