User: I have a question about the chemical with SMILES [133Xe].
Assistant: That sounds interesting, how can I help?
User: What is the molecular weight of this compound's parent molecule?
Assistant: 131.29
User: I have a question 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#}
[133Xe]
[133Xe]
xenon-133
What is the molecular weight of this compound's parent molecule?
131.29