User: I want to know more about the compound with SMILES CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O.
Assistant: That sounds interesting, how can I help?
User: What is the molecular weight of this compound's parent molecule?
Assistant: 278.31
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#}
CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
3,7-dimethyl-1-(5-oxohexyl)purine-2,6-dione
What is the molecular weight of this compound's parent molecule?