User: I have a question about the molecule with SMILES O=C1CN(/N=C/c2ccc([N+](=O)[O-])o2)C(=O)N1.
Assistant: Sure, what is your question?
User: What is the molecular weight of this compound's parent molecule?
Assistant: 238.16
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#}
O=C1CN(/N=C/c2ccc([N+](=O)[O-])o2)C(=O)N1
O=C1CN(/N=C/c2ccc([N+](=O)[O-])o2)C(=O)N1
1-[(E)-(5-nitrofuran-2-yl)methylideneamino]imidazolidine-2,4-dione
What is the molecular weight of this compound's parent molecule?
238.16