User: I have a question about the compound with SMILES CC(O)(P(=O)([O-])O)P(=O)([O-])O.[Na+].[Na+].
Assistant: That sounds interesting, how can I help?
User: What is the first recorded year of approval for this drug?
Assistant: The answer is 1977
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#}
CC(O)(P(=O)([O-])O)P(=O)([O-])O.[Na+].[Na+]
CC(O)(P(=O)([O-])O)P(=O)([O-])O.[Na+].[Na+]
disodium;hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate
What is the first recorded year of approval for this drug?
1977