User: I want to know more about the compound with SMILES O=C(O)C(O)C(O)C(=O)O.OC[C@H]1CNC[C@@H](O)[C@@H]1O.
Assistant: Sure, what is your question?
User: How many heavy (non-hydrogen) atoms does this compound have?
Assistant: 10
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#}
O=C(O)C(O)C(O)C(=O)O.OC[C@H]1CNC[C@@H](O)[C@@H]1O
O=C(O)C(O)C(O)C(=O)O.OC[C@H]1CNC[C@@H](O)[C@@H]1O
2,3-dihydroxybutanedioic acid;(3R,4R,5R)-5-(hydroxymethyl)piperidine-3,4-diol
How many heavy (non-hydrogen) atoms does this compound have?