User: I want to know more about the compound with SMILES CCn1cc(C(=O)O)c(=O)c2ccc(C)nc21.
Assistant: Interesting, how can I help?
User: What is the first recorded year of approval for this drug?
Assistant: 1964
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#}
CCn1cc(C(=O)O)c(=O)c2ccc(C)nc21
CCn1cc(C(=O)O)c(=O)c2ccc(C)nc21
1-ethyl-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylicacid
What is the first recorded year of approval for this drug?