User: I want to know more about the chemical with SMILES Nc1nc(O)c2ncn(CCC(CO)CO)c2n1.
Assistant: How can I help?
User: Which USAN substem can this drug or clinical candidate name be matched with?
Assistant: The answer is -vir (-ciclovir)
User: I want to know more about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
Nc1nc(O)c2ncn(CCC(CO)CO)c2n1
Nc1nc(O)c2ncn(CCC(CO)CO)c2n1
2-[2-(2-azanyl-6-oxidanyl-purin-9-yl)ethyl]propane-1,3-diol
Which USAN substem can this drug or clinical candidate name be matched with?
-vir (-ciclovir)