Question: Which treatment of hepatis C, identified as {C1=NC(=NN1C2C(C(C(O2)CO)O)O)C(=O)N},  is represented by smiles?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q154869 wdt:P2176 ?answer . ?answer wdt:P233 ?x FILTER(contains(?x,'C1=NC(=NN1C2C(C(C(O2)CO)O)O)C(=O)N'))}