User: I want to know more about the compound with SMILES N[C@@H](CCC(=O)O)C(=O)O.
Assistant: How can I help?
User: How many hydrogen bond donors does this compound have?
Assistant: 3
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#}
N[C@@H](CCC(=O)O)C(=O)O
N[C@@H](CCC(=O)O)C(=O)O
(2S)-2-aminopentanedioicacid
How many hydrogen bond donors does this compound have?